Search a number
-
+
231303028464 = 2434409943541
BaseRepresentation
bin1101011101101010111…
…1000001111011110000
3211010000220110021220000
43113122233001323300
512242202033402324
6254131550350000
722465622205444
oct3273257017360
9733026407800
10231303028464
118a105590862
12389b2abb300
1318a7263c821
14b2a35d8824
15603b68a9c9
hex35dabc1ef0

231303028464 has 100 divisors (see below), whose sum is σ = 669636772200. Its totient is φ = 77080429440.

The previous prime is 231303028459. The next prime is 231303028477. The reversal of 231303028464 is 464820303132.

231303028464 is a `hidden beast` number, since 2 + 313 + 0 + 3 + 0 + 284 + 64 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5290534 + ... + 5334074.

It is an arithmetic number, because the mean of its divisors is an integer number (6696367722).

Almost surely, 2231303028464 is an apocalyptic number.

231303028464 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

231303028464 is an abundant number, since it is smaller than the sum of its proper divisors (438333743736).

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

231303028464 is a wasteful number, since it uses less digits than its factorization.

231303028464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47660 (or 47645 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

The spelling of 231303028464 in words is "two hundred thirty-one billion, three hundred three million, twenty-eight thousand, four hundred sixty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 36 48 54 72 81 108 144 162 216 324 432 648 1296 4099 8198 12297 16396 24594 32792 36891 43541 49188 65584 73782 87082 98376 110673 130623 147564 174164 196752 221346 261246 295128 332019 348328 391869 442692 522492 590256 664038 696656 783738 885384 1044984 1175607 1328076 1567476 1770768 2089968 2351214 2656152 3134952 3526821 4702428 5312304 6269904 7053642 9404856 14107284 18809712 28214568 56429136 178474559 356949118 535423677 713898236 1070847354 1427796472 1606271031 2141694708 2855592944 3212542062 4283389416 4818813093 6425084124 8566778832 9637626186 12850168248 14456439279 19275252372 25700336496 28912878558 38550504744 57825757116 77101009488 115651514232 231303028464