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149382889537 = 7891934492767
BaseRepresentation
bin1000101100011111101…
…0100000000001000001
3112021120202021001110111
42023013322200001001
54421414004431122
6152343041431321
713535563416250
oct2130772400101
9467522231414
10149382889537
1158397823a02
1224b5003b541
131111877273b
147331832797
153d44831d77
hex22c7ea0041

149382889537 has 32 divisors (see below), whose sum is σ = 173985408000. Its totient is φ = 125621895168.

The previous prime is 149382889511. The next prime is 149382889547. The reversal of 149382889537 is 735988283941.

It is a de Polignac number, because none of the positive numbers 2k-149382889537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149382889507) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53985928 + ... + 53988694.

It is an arithmetic number, because the mean of its divisors is an integer number (5437044000).

Almost surely, 2149382889537 is an apocalyptic number.

It is an amenable number.

149382889537 is a deficient number, since it is larger than the sum of its proper divisors (24602518463).

149382889537 is a wasteful number, since it uses less digits than its factorization.

149382889537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3505.

The product of its digits is 104509440, while the sum is 67.

The spelling of 149382889537 in words is "one hundred forty-nine billion, three hundred eighty-two million, eight hundred eighty-nine thousand, five hundred thirty-seven".

Divisors: 1 7 89 193 449 623 1351 2767 3143 17177 19369 39961 86657 120239 246263 279727 534031 606599 1242383 1723841 3738217 7712473 8696681 47528759 53987311 110572087 239779919 332701313 774004609 1678459433 21340412791 149382889537