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385025168901 = 3128341722967
BaseRepresentation
bin1011001101001010100…
…10011101011000000101
31100210211001210010112210
411212211102131120011
522302012420401101
6452513401334033
736550165636212
oct5464522353005
91323731703483
10385025168901
1113931974112a
1262754197319
132a400095339
14148c7450b09
15a036e067d6
hex59a549d605

385025168901 has 4 divisors (see below), whose sum is σ = 513366891872. Its totient is φ = 256683445932.

The previous prime is 385025168893. The next prime is 385025168929. The reversal of 385025168901 is 109861520583.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 385025168901 - 23 = 385025168893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385025168701) 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, 64170861481 + ... + 64170861486.

It is an arithmetic number, because the mean of its divisors is an integer number (128341722968).

Almost surely, 2385025168901 is an apocalyptic number.

It is an amenable number.

385025168901 is a deficient number, since it is larger than the sum of its proper divisors (128341722971).

385025168901 is a wasteful number, since it uses less digits than its factorization.

385025168901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128341722970.

The product of its (nonzero) digits is 518400, while the sum is 48.

The spelling of 385025168901 in words is "three hundred eighty-five billion, twenty-five million, one hundred sixty-eight thousand, nine hundred one".

Divisors: 1 3 128341722967 385025168901