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103013123021 = 2081225121991
BaseRepresentation
bin101111111110000001…
…1111000001111001101
3100211220011100211222122
41133330003320033031
53141432324414041
6115153520422325
710304522045504
oct1377403701715
9324804324878
10103013123021
113a76224a016
1217b6aa779a5
139938b3a183
144db32c183b
152a2da21c4b
hex17fc0f83cd

103013123021 has 8 divisors (see below), whose sum is σ = 103113098688. Its totient is φ = 102913200000.

The previous prime is 103013123009. The next prime is 103013123029. The reversal of 103013123021 is 120321310301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 103013123021 - 222 = 103008928717 is a prime.

It is a super-2 number, since 2×1030131230212 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103013123029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4673336 + ... + 4695326.

It is an arithmetic number, because the mean of its divisors is an integer number (12889137336).

Almost surely, 2103013123021 is an apocalyptic number.

It is an amenable number.

103013123021 is a deficient number, since it is larger than the sum of its proper divisors (99975667).

103013123021 is a wasteful number, since it uses less digits than its factorization.

103013123021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26323.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 103013123021 its reverse (120321310301), we get a palindrome (223334433322).

The spelling of 103013123021 in words is "one hundred three billion, thirteen million, one hundred twenty-three thousand, twenty-one".

Divisors: 1 2081 2251 21991 4684331 45763271 49501741 103013123021