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231351150661600 = 2552289188938327
BaseRepresentation
bin110100100110100110100011…
…001001110100111111100000
31010100010221202110200002212211
4310212212203021310333200
5220310424124032132400
62140013130144331504
766505366120105624
oct6446464311647740
91110127673602784
10231351150661600
1167796521266742
1221b454a0313b94
139c12420a73518
14411b653a15184
151bb2e93674dba
hexd269a3274fe0

231351150661600 has 36 divisors (see below), whose sum is σ = 564785996554584. Its totient is φ = 92540460264320.

The previous prime is 231351150661591. The next prime is 231351150661601. The reversal of 231351150661600 is 6166051153132.

231351150661600 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231351150661601) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 144594468364 + ... + 144594469963.

It is an arithmetic number, because the mean of its divisors is an integer number (15688499904294).

Almost surely, 2231351150661600 is an apocalyptic number.

231351150661600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231351150661600 is an abundant number, since it is smaller than the sum of its proper divisors (333434845892984).

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

231351150661600 is a wasteful number, since it uses less digits than its factorization.

231351150661600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289188938347 (or 289188938334 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 40.

The spelling of 231351150661600 in words is "two hundred thirty-one trillion, three hundred fifty-one billion, one hundred fifty million, six hundred sixty-one thousand, six hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 160 200 400 800 289188938327 578377876654 1156755753308 1445944691635 2313511506616 2891889383270 4627023013232 5783778766540 7229723458175 9254046026464 11567557533080 14459446916350 23135115066160 28918893832700 46270230132320 57837787665400 115675575330800 231351150661600