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103113123020 = 22541610120611
BaseRepresentation
bin110000000001000000…
…1010110010011001100
3100212011010112101012022
41200002001112103030
53142133424414040
6115211452025312
710310145040625
oct1400201262314
9325133471168
10103113123020
113a803740546
1217b98462238
13995378097b
144dc26b2a4c
152a376c66b5
hex18020564cc

103113123020 has 48 divisors (see below), whose sum is σ = 221866083936. Its totient is φ = 40230720000.

The previous prime is 103113122977. The next prime is 103113123041. The reversal of 103113123020 is 20321311301.

It is a super-2 number, since 2×1031131230202 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 103113123020.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4992515 + ... + 5013125.

It is an arithmetic number, because the mean of its divisors is an integer number (4622210082).

Almost surely, 2103113123020 is an apocalyptic number.

103113123020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103113123020 is an abundant number, since it is smaller than the sum of its proper divisors (118752960916).

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

103113123020 is a wasteful number, since it uses less digits than its factorization.

103113123020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26762 (or 26760 counting only the distinct ones).

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

Adding to 103113123020 its reverse (20321311301), we get a palindrome (123434434321).

The spelling of 103113123020 in words is "one hundred three billion, one hundred thirteen million, one hundred twenty-three thousand, twenty".

Divisors: 1 2 4 5 10 20 41 82 164 205 410 820 6101 12202 20611 24404 30505 41222 61010 82444 103055 122020 206110 250141 412220 500282 845051 1000564 1250705 1690102 2501410 3380204 4225255 5002820 8450510 16901020 125747711 251495422 502990844 628738555 1257477110 2514954220 5155656151 10311312302 20622624604 25778280755 51556561510 103113123020