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147990885078 = 23109226285757
BaseRepresentation
bin1000100111010011110…
…0011011001011010110
3112010222201221220022210
42021310330123023112
54411041131310303
6151552554134250
713456231524231
oct2116474331326
9463881856283
10147990885078
1157842aa63a3
1224821a21386
1310c5626336a
14723ca02418
153cb251b203
hex2274f1b2d6

147990885078 has 16 divisors (see below), whose sum is σ = 298697200560. Its totient is φ = 48877723296.

The previous prime is 147990885067. The next prime is 147990885079. The reversal of 147990885078 is 870588099741.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147990885079) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113142225 + ... + 113143532.

It is an arithmetic number, because the mean of its divisors is an integer number (18668575035).

Almost surely, 2147990885078 is an apocalyptic number.

147990885078 is an abundant number, since it is smaller than the sum of its proper divisors (150706315482).

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

147990885078 is a wasteful number, since it uses less digits than its factorization.

147990885078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226285871.

The product of its (nonzero) digits is 40642560, while the sum is 66.

The spelling of 147990885078 in words is "one hundred forty-seven billion, nine hundred ninety million, eight hundred eighty-five thousand, seventy-eight".

Divisors: 1 2 3 6 109 218 327 654 226285757 452571514 678857271 1357714542 24665147513 49330295026 73995442539 147990885078