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445904234078 = 21672831947143
BaseRepresentation
bin1100111110100011111…
…01101010011001011110
31120121221211111002000112
412133101331222121132
524301202440442303
6540502351130022
744133631311152
oct6372175523136
91517854432015
10445904234078
1116211a351936
1272504513912
1333082999124
1417820971062
15b8eb8ed0d8
hex67d1f6a65e

445904234078 has 16 divisors (see below), whose sum is σ = 672899512320. Its totient is φ = 221604547896.

The previous prime is 445904234077. The next prime is 445904234177. The reversal of 445904234078 is 870432409544.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445904234077) 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, 9434975 + ... + 9482117.

It is an arithmetic number, because the mean of its divisors is an integer number (42056219520).

Almost surely, 2445904234078 is an apocalyptic number.

445904234078 is a deficient number, since it is larger than the sum of its proper divisors (226995278242).

445904234078 is a wasteful number, since it uses less digits than its factorization.

445904234078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75631.

The product of its (nonzero) digits is 3870720, while the sum is 50.

The spelling of 445904234078 in words is "four hundred forty-five billion, nine hundred four million, two hundred thirty-four thousand, seventy-eight".

Divisors: 1 2 167 334 28319 47143 56638 94286 4729273 7872881 9458546 15745762 1335042617 2670085234 222952117039 445904234078