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138962003445 = 32519162528659
BaseRepresentation
bin1000000101101011000…
…1111110010111110101
3111021200111112012011100
42001122301332113311
54234043233102240
6143501022000313
713016415353166
oct2013261762765
9437614465140
10138962003445
1153a2a478a51
1222b22116099
1310147810155
146a2382d76d
153934a36e30
hex205ac7e5f5

138962003445 has 24 divisors (see below), whose sum is σ = 253544709600. Its totient is φ = 70212380256.

The previous prime is 138962003431. The next prime is 138962003447. The reversal of 138962003445 is 544300269831.

138962003445 is a `hidden beast` number, since 13 + 8 + 9 + 620 + 0 + 3 + 4 + 4 + 5 = 666.

It is not a de Polignac number, because 138962003445 - 28 = 138962003189 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 138962003445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138962003447) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 81263475 + ... + 81265184.

It is an arithmetic number, because the mean of its divisors is an integer number (10564362900).

Almost surely, 2138962003445 is an apocalyptic number.

138962003445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

138962003445 is a deficient number, since it is larger than the sum of its proper divisors (114582706155).

138962003445 is a wasteful number, since it uses less digits than its factorization.

138962003445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162528689 (or 162528686 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The spelling of 138962003445 in words is "one hundred thirty-eight billion, nine hundred sixty-two million, three thousand, four hundred forty-five".

Divisors: 1 3 5 9 15 19 45 57 95 171 285 855 162528659 487585977 812643295 1462757931 2437929885 3088044521 7313789655 9264133563 15440222605 27792400689 46320667815 138962003445