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149008593788 = 22291284556843
BaseRepresentation
bin1000101011000110011…
…0101011001101111100
3112020121122221212012222
42022301212223031330
54420132200000123
6152241551144512
713523400102065
oct2126146531574
9466548855188
10149008593788
1158215514a7a
1224a66815138
1311089060a72
1472d7c3d56c
153d21a496c8
hex22b19ab37c

149008593788 has 12 divisors (see below), whose sum is σ = 269756937240. Its totient is φ = 71935183152.

The previous prime is 149008593781. The next prime is 149008593803. The reversal of 149008593788 is 887395800941.

It is a super-2 number, since 2×1490085937882 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 149008593788.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149008593781) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 642278306 + ... + 642278537.

It is an arithmetic number, because the mean of its divisors is an integer number (22479744770).

Almost surely, 2149008593788 is an apocalyptic number.

It is an amenable number.

149008593788 is a deficient number, since it is larger than the sum of its proper divisors (120748343452).

149008593788 is a wasteful number, since it uses less digits than its factorization.

149008593788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1284556876 (or 1284556874 counting only the distinct ones).

The product of its (nonzero) digits is 17418240, while the sum is 62.

The spelling of 149008593788 in words is "one hundred forty-nine billion, eight million, five hundred ninety-three thousand, seven hundred eighty-eight".

Divisors: 1 2 4 29 58 116 1284556843 2569113686 5138227372 37252148447 74504296894 149008593788