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103118591461 = 1021445122691
BaseRepresentation
bin110000000001001011…
…0001101010111100101
3100212011111211012111011
41200002112031113211
53142141324411321
6115212205142221
710310242364614
oct1400226152745
9325144735434
10103118591461
113a806836016
1217b9a25a971
139954946a32
144dc32d787b
152a37e06ae1
hex180258d5e5

103118591461 has 8 divisors (see below), whose sum is σ = 103247329248. Its totient is φ = 102989910000.

The previous prime is 103118591447. The next prime is 103118591467. The reversal of 103118591461 is 164195811301.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-103118591461 is a prime.

It is a super-2 number, since 2×1031185914612 (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 (103118591467) 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, 4533126 + ... + 4555816.

It is an arithmetic number, because the mean of its divisors is an integer number (12905916156).

Almost surely, 2103118591461 is an apocalyptic number.

It is an amenable number.

103118591461 is a deficient number, since it is larger than the sum of its proper divisors (128737787).

103118591461 is a wasteful number, since it uses less digits than its factorization.

103118591461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28163.

The product of its (nonzero) digits is 25920, while the sum is 40.

The spelling of 103118591461 in words is "one hundred three billion, one hundred eighteen million, five hundred ninety-one thousand, four hundred sixty-one".

Divisors: 1 1021 4451 22691 4544471 23167511 100997641 103118591461