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145712604717 = 3288118377173
BaseRepresentation
bin1000011110110100100…
…1011110011000101101
3111221002221222021012200
42013231021132120231
54341404411322332
6150534530452113
713345615463361
oct2075511363055
9457087867180
10145712604717
1156883a6a669
12242a6a34039
1310982254284
1470a41c92a1
153bcc4da17c
hex21ed25e62d

145712604717 has 12 divisors (see below), whose sum is σ = 210712677084. Its totient is φ = 97031468160.

The previous prime is 145712604641. The next prime is 145712604727. The reversal of 145712604717 is 717406217541.

145712604717 is a `hidden beast` number, since 1 + 4 + 57 + 126 + 0 + 471 + 7 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 61558075881 + 84154528836 = 248109^2 + 290094^2 .

It is not a de Polignac number, because 145712604717 - 220 = 145711556141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145712604727) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9180658 + ... + 9196515.

It is an arithmetic number, because the mean of its divisors is an integer number (17559389757).

Almost surely, 2145712604717 is an apocalyptic number.

It is an amenable number.

145712604717 is a deficient number, since it is larger than the sum of its proper divisors (65000072367).

145712604717 is a wasteful number, since it uses less digits than its factorization.

145712604717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18378060 (or 18378057 counting only the distinct ones).

The product of its (nonzero) digits is 329280, while the sum is 45.

The spelling of 145712604717 in words is "one hundred forty-five billion, seven hundred twelve million, six hundred four thousand, seven hundred seventeen".

Divisors: 1 3 9 881 2643 7929 18377173 55131519 165394557 16190289413 48570868239 145712604717