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25028030502552 = 23371197139621717
BaseRepresentation
bin1011011000011010010101…
…10111100001011010011000
310021121122201110220200212010
411230031022313201122120
511240024401302040202
6125121415105345520
75162133633101610
oct554151267413230
9107548643820763
1025028030502552
117a7a367814a90
1229827249382a0
1310c71966b568c
14627512653a40
152d608334676c
hex16c34ade1698

25028030502552 has 128 divisors (see below), whose sum is σ = 78813667376640. Its totient is φ = 6433768673280.

The previous prime is 25028030502547. The next prime is 25028030502667. The reversal of 25028030502552 is 25520503082052.

It is a self number, because there is not a number n which added to its sum of digits gives 25028030502552.

It is a congruent number.

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, 69631603 + ... + 69990114.

It is an arithmetic number, because the mean of its divisors is an integer number (615731776380).

Almost surely, 225028030502552 is an apocalyptic number.

25028030502552 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

25028030502552 is an abundant number, since it is smaller than the sum of its proper divisors (53785636874088).

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

25028030502552 is a wasteful number, since it uses less digits than its factorization.

25028030502552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139621841 (or 139621837 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 39.

The spelling of 25028030502552 in words is "twenty-five trillion, twenty-eight billion, thirty million, five hundred two thousand, five hundred fifty-two".

Divisors: 1 2 3 4 6 7 8 11 12 14 21 22 24 28 33 42 44 56 66 77 84 88 97 132 154 168 194 231 264 291 308 388 462 582 616 679 776 924 1067 1164 1358 1848 2037 2134 2328 2716 3201 4074 4268 5432 6402 7469 8148 8536 12804 14938 16296 22407 25608 29876 44814 59752 89628 179256 139621717 279243434 418865151 558486868 837730302 977352019 1116973736 1535838887 1675460604 1954704038 2932056057 3071677774 3350921208 3909408076 4607516661 5864112114 6143355548 7818816152 9215033322 10750872209 11728224228 12286711096 13543306549 18430066644 21501744418 23456448456 27086613098 32252616627 36860133288 40629919647 43003488836 54173226196 64505233254 81259839294 86006977672 94803145843 108346452392 129010466508 148976372039 162519678588 189606291686 258020933016 284409437529 297952744078 325039357176 379212583372 446929116117 568818875058 595905488156 758425166744 893858232234 1042834604273 1137637750116 1191810976312 1787716464468 2085669208546 2275275500232 3128503812819 3575432928936 4171338417092 6257007625638 8342676834184 12514015251276 25028030502552