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101240420230 = 2519532844317
BaseRepresentation
bin101111001001001100…
…1100011011110000110
3100200022121201012220201
41132102121203132012
53124320021421410
6114301553321114
710212555242005
oct1362231433606
9320277635821
10101240420230
1139a3263a194
121775526619a
1397157b6b01
144c85ab2c3c
1529780ab83a
hex1792663786

101240420230 has 16 divisors (see below), whose sum is σ = 191823954480. Its totient is φ = 38364790752.

The previous prime is 101240420219. The next prime is 101240420231. The reversal of 101240420230 is 32024042101.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a junction number, because it is equal to n+sod(n) for n = 101240420198 and 101240420207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101240420231) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 266421969 + ... + 266422348.

It is an arithmetic number, because the mean of its divisors is an integer number (11988997155).

Almost surely, 2101240420230 is an apocalyptic number.

101240420230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101240420230 is a deficient number, since it is larger than the sum of its proper divisors (90583534250).

101240420230 is a wasteful number, since it uses less digits than its factorization.

101240420230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532844343.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 101240420230 its reverse (32024042101), we get a palindrome (133264462331).

The spelling of 101240420230 in words is "one hundred one billion, two hundred forty million, four hundred twenty thousand, two hundred thirty".

Divisors: 1 2 5 10 19 38 95 190 532844317 1065688634 2664221585 5328443170 10124042023 20248084046 50620210115 101240420230