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129025351983 = 31124316974871
BaseRepresentation
bin111100000101010000…
…0101010000100101111
3110100000222221222220010
41320022200222010233
54103220442230413
6135135021024303
712215240252643
oct1701240520457
9410028858803
10129025351983
114a7a04a1700
122100a3b5093
13c222ca2b28
14635dc7ac23
1535524dddc3
hex1e0a82a12f

129025351983 has 48 divisors (see below), whose sum is σ = 193646331648. Its totient is φ = 76317964800.

The previous prime is 129025351963. The next prime is 129025352003. The reversal of 129025351983 is 389153520921.

It is an interprime number because it is at equal distance from previous prime (129025351963) and next prime (129025352003).

It is not a de Polignac number, because 129025351983 - 25 = 129025351951 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129025351933) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 26486038 + ... + 26490908.

It is an arithmetic number, because the mean of its divisors is an integer number (4034298576).

Almost surely, 2129025351983 is an apocalyptic number.

129025351983 is a deficient number, since it is larger than the sum of its proper divisors (64620979665).

129025351983 is a wasteful number, since it uses less digits than its factorization.

129025351983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6636 (or 6625 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 48.

The spelling of 129025351983 in words is "one hundred twenty-nine billion, twenty-five million, three hundred fifty-one thousand, nine hundred eighty-three".

Divisors: 1 3 11 33 43 121 129 363 473 1419 1697 4871 5091 5203 14613 15609 18667 53581 56001 72971 160743 205337 209453 218913 589391 616011 628359 802681 1768173 2303983 2408043 6911949 8266087 8829491 24798261 25343813 26488473 76031439 90926957 272780871 355441741 1000196527 1066325223 3000589581 3909859151 11729577453 43008450661 129025351983