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128234803524 = 223211142735491
BaseRepresentation
bin111011101101101100…
…0111101000101000100
3110020222220101222021120
41313123120331011010
54100111102203044
6134524340513540
712156530562642
oct1673330750504
9406886358246
10128234803524
114a425226973
1220a296ab8b0
13c12827bc89
1462c6c92192
153507dd2519
hex1ddb63d144

128234803524 has 48 divisors (see below), whose sum is σ = 300851771136. Its totient is φ = 42511341600.

The previous prime is 128234803523. The next prime is 128234803549. The reversal of 128234803524 is 425308432821.

It is not an unprimeable number, because it can be changed into a prime (128234803523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3595419 + ... + 3630909.

It is an arithmetic number, because the mean of its divisors is an integer number (6267745232).

Almost surely, 2128234803524 is an apocalyptic number.

It is an amenable number.

128234803524 is an abundant number, since it is smaller than the sum of its proper divisors (172616967612).

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

128234803524 is a wasteful number, since it uses less digits than its factorization.

128234803524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37136 (or 37134 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 42.

The spelling of 128234803524 in words is "one hundred twenty-eight billion, two hundred thirty-four million, eight hundred three thousand, five hundred twenty-four".

Divisors: 1 2 3 4 6 12 211 422 633 844 1266 1427 2532 2854 4281 5708 8562 17124 35491 70982 106473 141964 212946 301097 425892 602194 903291 1204388 1806582 3613164 7488601 14977202 22465803 29954404 44931606 50645657 89863212 101291314 151936971 202582628 303873942 607747884 10686233627 21372467254 32058700881 42744934508 64117401762 128234803524