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137145382472 = 23759230917977
BaseRepresentation
bin111111110111010000…
…0000111011001001000
3111002222220020021200002
41333232200013121020
54221333204214342
6143000445302132
712623406342140
oct1775640073110
9432886207602
10137145382472
1153187aa17aa
12226b5864948
13cc183509b7
1468d046b920
15387a2e8d32
hex1fee807648

137145382472 has 64 divisors (see below), whose sum is σ = 299010096000. Its totient is φ = 57752142336.

The previous prime is 137145382471. The next prime is 137145382477. The reversal of 137145382472 is 274283541731.

It is not an unprimeable number, because it can be changed into a prime (137145382471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7619948 + ... + 7637924.

It is an arithmetic number, because the mean of its divisors is an integer number (4672032750).

Almost surely, 2137145382472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 137145382472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149505048000).

137145382472 is an abundant number, since it is smaller than the sum of its proper divisors (161864713528).

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

137145382472 is a wasteful number, since it uses less digits than its factorization.

137145382472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20358 (or 20354 counting only the distinct ones).

The product of its digits is 1128960, while the sum is 47.

The spelling of 137145382472 in words is "one hundred thirty-seven billion, one hundred forty-five million, three hundred eighty-two thousand, four hundred seventy-two".

Divisors: 1 2 4 7 8 14 28 56 59 118 236 413 472 826 1652 2309 3304 4618 9236 16163 17977 18472 32326 35954 64652 71908 125839 129304 136231 143816 251678 272462 503356 544924 953617 1006712 1060643 1089848 1907234 2121286 3814468 4242572 7424501 7628936 8485144 14849002 29698004 41508893 59396008 83017786 166035572 290562251 332071144 581124502 1162249004 2324498008 2449024687 4898049374 9796098748 17143172809 19592197496 34286345618 68572691236 137145382472