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145660193724 = 22312138349477
BaseRepresentation
bin1000011110101000000…
…1100010101110111100
3111220222022100111211210
42013222001202232330
54341303002144344
6150525415244420
713344411134553
oct2075201425674
9456868314753
10145660193724
11568574224a1
1224291379710
1310974433656
14709b264d9a
153bc7ad5db9
hex21ea062bbc

145660193724 has 12 divisors (see below), whose sum is σ = 339873785384. Its totient is φ = 48553397904.

The previous prime is 145660193717. The next prime is 145660193761. The reversal of 145660193724 is 427391066541.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6069174727 + ... + 6069174750.

Almost surely, 2145660193724 is an apocalyptic number.

It is an amenable number.

145660193724 is an abundant number, since it is smaller than the sum of its proper divisors (194213591660).

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

145660193724 is a wasteful number, since it uses less digits than its factorization.

145660193724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12138349484 (or 12138349482 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 48.

The spelling of 145660193724 in words is "one hundred forty-five billion, six hundred sixty million, one hundred ninety-three thousand, seven hundred twenty-four".

Divisors: 1 2 3 4 6 12 12138349477 24276698954 36415048431 48553397908 72830096862 145660193724