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187230993804 = 2233107144711197
BaseRepresentation
bin1010111001011111010…
…1100011110110001100
3122220021110010221222000
42232113311203312030
511031422113300204
6222002425552300
716345521121461
oct2562765436614
9586243127860
10187230993804
117244a018918
1230353345690
131486aa66bca
1490c22c5668
154d0c450039
hex2b97d63d8c

187230993804 has 96 divisors (see below), whose sum is σ = 490332648960. Its totient is φ = 61778811456.

The previous prime is 187230993743. The next prime is 187230993877. The reversal of 187230993804 is 408399032781.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16715934 + ... + 16727130.

It is an arithmetic number, because the mean of its divisors is an integer number (5107631760).

Almost surely, 2187230993804 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 187230993804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (245166324480).

187230993804 is an abundant number, since it is smaller than the sum of its proper divisors (303101655156).

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

187230993804 is a wasteful number, since it uses less digits than its factorization.

187230993804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12764 (or 12756 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 54.

The spelling of 187230993804 in words is "one hundred eighty-seven billion, two hundred thirty million, nine hundred ninety-three thousand, eight hundred four".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 107 108 214 321 428 642 963 1284 1447 1926 2889 2894 3852 4341 5778 5788 8682 11197 11556 13023 17364 22394 26046 33591 39069 44788 52092 67182 78138 100773 134364 154829 156276 201546 302319 309658 403092 464487 604638 619316 928974 1198079 1209276 1393461 1857948 2396158 2786922 3594237 4180383 4792316 5573844 7188474 8360766 10782711 14376948 16202059 16721532 21565422 32348133 32404118 43130844 48606177 64696266 64808236 97212354 129392532 145818531 194424708 291637062 437455593 583274124 874911186 1733620313 1749822372 3467240626 5200860939 6934481252 10401721878 15602582817 20803443756 31205165634 46807748451 62410331268 93615496902 187230993804