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152638904129 = 2575393110129
BaseRepresentation
bin1000111000100111111…
…1001101011101000001
3112120222200000201210112
42032021333031131001
510000101024413004
6154042113241105
714012351164205
oct2161177153501
9476880021715
10152638904129
1159808755958
12256ba563195
13115171c41aa
14756003cb05
153e855e6e6e
hex2389fcd741

152638904129 has 8 divisors (see below), whose sum is σ = 153262634760. Its totient is φ = 152015405056.

The previous prime is 152638904113. The next prime is 152638904147. The reversal of 152638904129 is 921409836251.

It can be written as a sum of positive squares in 4 ways, for example, as 97124475904 + 55514428225 = 311648^2 + 235615^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 152638904129 - 24 = 152638904113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (152638904329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1330937 + ... + 1441065.

It is an arithmetic number, because the mean of its divisors is an integer number (19157829345).

Almost surely, 2152638904129 is an apocalyptic number.

It is an amenable number.

152638904129 is a deficient number, since it is larger than the sum of its proper divisors (623730631).

152638904129 is a wasteful number, since it uses less digits than its factorization.

152638904129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115779.

The product of its (nonzero) digits is 933120, while the sum is 50.

The spelling of 152638904129 in words is "one hundred fifty-two billion, six hundred thirty-eight million, nine hundred four thousand, one hundred twenty-nine".

Divisors: 1 257 5393 110129 1386001 28303153 593925697 152638904129