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142120212344330 = 25114330046556521
BaseRepresentation
bin100000010100000111110000…
…110001011010111000001010
3200122012120002221211012201112
4200110013300301122320022
5122111444143330004310
61222133042455450322
741635563230616203
oct4024076061327012
9618176087735645
10142120212344330
1141313930890630
1213b33a236869a2
13613bb5614905c
14271492539a5aa
151166d15e16705
hex8141f0c5ae0a

142120212344330 has 32 divisors (see below), whose sum is σ = 285562473185088. Its totient is φ = 50478214953600.

The previous prime is 142120212344273. The next prime is 142120212344387. The reversal of 142120212344330 is 33443212021241.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (142120212344273) and next prime (142120212344387).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15023273531 + ... + 15023282990.

It is an arithmetic number, because the mean of its divisors is an integer number (8923827287034).

Almost surely, 2142120212344330 is an apocalyptic number.

142120212344330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142120212344330 is an abundant number, since it is smaller than the sum of its proper divisors (143442260840758).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142120212344330 is a wasteful number, since it uses less digits than its factorization.

142120212344330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30046556582.

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 142120212344330 its reverse (33443212021241), we get a palindrome (175563424365571).

The spelling of 142120212344330 in words is "one hundred forty-two trillion, one hundred twenty billion, two hundred twelve million, three hundred forty-four thousand, three hundred thirty".

Divisors: 1 2 5 10 11 22 43 55 86 110 215 430 473 946 2365 4730 30046556521 60093113042 150232782605 300465565210 330512121731 661024243462 1292001930403 1652560608655 2584003860806 3305121217310 6460009652015 12920019304030 14212021234433 28424042468866 71060106172165 142120212344330