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10187019864 = 2333731217337
BaseRepresentation
bin10010111110011000…
…11001011001011000
3222021221200020011000
421133030121121120
5131330334113424
64402503105000
7510305145240
oct113714313130
928257606130
1010187019864
11435834188a
121b83742160
13c6467b608
146c8d26b20
153e95013c9
hex25f319658

10187019864 has 128 divisors (see below), whose sum is σ = 33383116800. Its totient is φ = 2816674560.

The previous prime is 10187019823. The next prime is 10187019893. The reversal of 10187019864 is 46891078101.

It is a happy number.

10187019864 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61797 + ... + 155540.

It is an arithmetic number, because the mean of its divisors is an integer number (260805600).

Almost surely, 210187019864 is an apocalyptic number.

10187019864 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

10187019864 is an abundant number, since it is smaller than the sum of its proper divisors (23196096936).

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

10187019864 is a wasteful number, since it uses less digits than its factorization.

10187019864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217390 (or 217380 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 45.

The spelling of 10187019864 in words is "ten billion, one hundred eighty-seven million, nineteen thousand, eight hundred sixty-four".

Divisors: 1 2 3 4 6 7 8 9 12 14 18 21 24 27 28 31 36 42 54 56 62 63 72 84 93 108 124 126 168 186 189 216 217 248 252 279 372 378 434 504 558 651 744 756 837 868 1116 1302 1512 1674 1736 1953 2232 2604 3348 3906 5208 5859 6696 7812 11718 15624 23436 46872 217337 434674 652011 869348 1304022 1521359 1738696 1956033 2608044 3042718 3912066 4564077 5216088 5868099 6085436 6737447 7824132 9128154 11736198 12170872 13474894 13692231 15648264 18256308 20212341 23472396 26949788 27384462 36512616 40424682 41076693 46944792 47162129 53899576 54768924 60637023 80849364 82153386 94324258 109537848 121274046 141486387 161698728 164306772 181911069 188648516 242548092 282972774 328613544 363822138 377297032 424459161 485096184 565945548 727644276 848918322 1131891096 1273377483 1455288552 1697836644 2546754966 3395673288 5093509932 10187019864