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103013021021 = 479409352543
BaseRepresentation
bin101111111110000001…
…1011111010101011101
3100211220011011200001212
41133330003133111131
53141432313133041
6115153514314205
710304521142231
oct1377403372535
9324804150055
10103013021021
113a76218a419
1217b6aa28965
139938b02911
144db32965c1
152a2da018eb
hex17fc0df55d

103013021021 has 8 divisors (see below), whose sum is σ = 103255265280. Its totient is φ = 102770890992.

The previous prime is 103013021017. The next prime is 103013021047. The reversal of 103013021021 is 120120310301.

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 103013021021 - 22 = 103013021017 is a prime.

It is a super-2 number, since 2×1030130210212 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103013020987 and 103013021005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103013021051) 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, 1934276 + ... + 1986818.

It is an arithmetic number, because the mean of its divisors is an integer number (12906908160).

Almost surely, 2103013021021 is an apocalyptic number.

It is an amenable number.

103013021021 is a deficient number, since it is larger than the sum of its proper divisors (242244259).

103013021021 is an equidigital number, since it uses as much as digits as its factorization.

103013021021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57115.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 103013021021 its reverse (120120310301), we get a palindrome (223133331322).

The spelling of 103013021021 in words is "one hundred three billion, thirteen million, twenty-one thousand, twenty-one".

Divisors: 1 479 4093 52543 1960547 25168097 215058499 103013021021