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107138745492 = 22353235771471
BaseRepresentation
bin110001111000111110…
…1111000010010010100
3101020112200110012001220
41203301331320102110
53223410004323432
6121115135050340
710511666211402
oct1436175702224
9336480405056
10107138745492
114148a035269
12189206709b0
13a1457a39bc
1452851b6472
152bc0d0d72c
hex18f1f78494

107138745492 has 48 divisors (see below), whose sum is σ = 254818835712. Its totient is φ = 35023730560.

The previous prime is 107138745487. The next prime is 107138745547. The reversal of 107138745492 is 294547831701.

It is a super-2 number, since 2×1071387454922 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 1463317 + ... + 1534787.

It is an arithmetic number, because the mean of its divisors is an integer number (5308725744).

Almost surely, 2107138745492 is an apocalyptic number.

107138745492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

107138745492 is an abundant number, since it is smaller than the sum of its proper divisors (147680090220).

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

107138745492 is a wasteful number, since it uses less digits than its factorization.

107138745492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73888 (or 73886 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 51.

The spelling of 107138745492 in words is "one hundred seven billion, one hundred thirty-eight million, seven hundred forty-five thousand, four hundred ninety-two".

Divisors: 1 2 3 4 6 12 53 106 159 212 318 636 2357 4714 7071 9428 14142 28284 71471 124921 142942 214413 249842 285884 374763 428826 499684 749526 857652 1499052 3787963 7575926 11363889 15151852 22727778 45455556 168457147 336914294 505371441 673828588 1010742882 2021485764 8928228791 17856457582 26784686373 35712915164 53569372746 107138745492