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128315003294 = 21929375359377
BaseRepresentation
bin111011110000000101…
…0111001000110011110
3110021012111022112200102
41313200022321012132
54100242120101134
6134540323501102
712161523350342
oct1674012710636
9407174275612
10128315003294
114a466524175
1220a50527792
13c13ba7c26a
1462d37ab622
15350ee7537e
hex1de02b919e

128315003294 has 64 divisors (see below), whose sum is σ = 219318580800. Its totient is φ = 56020543488.

The previous prime is 128315003261. The next prime is 128315003303. The reversal of 128315003294 is 492300513821.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2131334 + ... + 2190710.

It is an arithmetic number, because the mean of its divisors is an integer number (3426852825).

Almost surely, 2128315003294 is an apocalyptic number.

128315003294 is a deficient number, since it is larger than the sum of its proper divisors (91003577506).

128315003294 is a wasteful number, since it uses less digits than its factorization.

128315003294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59517.

The product of its (nonzero) digits is 51840, while the sum is 38.

The spelling of 128315003294 in words is "one hundred twenty-eight billion, three hundred fifteen million, three thousand, two hundred ninety-four".

Divisors: 1 2 19 29 37 38 53 58 74 106 551 703 1007 1073 1102 1406 1537 1961 2014 2146 3074 3922 20387 29203 37259 40774 56869 58406 59377 74518 113738 118754 1080511 1128163 1721933 2161022 2196949 2256326 3146981 3443866 4393898 6293962 32716727 41742031 59792639 63711521 65433454 83484062 91262449 116438297 119585278 127423042 182524898 232876594 1210518899 1733986531 2212327643 2421037798 3376710613 3467973062 4424655286 6753421226 64157501647 128315003294