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101855055157 = 2316365941227
BaseRepresentation
bin101111011011100001…
…0001100110100110101
3100201220110020220112021
41132313002030310311
53132044343231112
6114442551153141
710234030453402
oct1366702146465
9321813226467
10101855055157
113a218583539
12178a70757b1
1397b2c37b0b
144d035892a9
1529b201a907
hex17b708cd35

101855055157 has 16 divisors (see below), whose sum is σ = 107100449280. Its totient is φ = 96679587312.

The previous prime is 101855055119. The next prime is 101855055187. The reversal of 101855055157 is 751550558101.

It is a cyclic number.

It is not a de Polignac number, because 101855055157 - 227 = 101720837429 is a prime.

It is a super-2 number, since 2×1018550551572 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101855055187) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2449978 + ... + 2491204.

It is an arithmetic number, because the mean of its divisors is an integer number (6693778080).

Almost surely, 2101855055157 is an apocalyptic number.

It is an amenable number.

101855055157 is a deficient number, since it is larger than the sum of its proper divisors (5245394123).

101855055157 is a wasteful number, since it uses less digits than its factorization.

101855055157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42072.

The product of its (nonzero) digits is 175000, while the sum is 43.

The spelling of 101855055157 in words is "one hundred one billion, eight hundred fifty-five million, fifty-five thousand, one hundred fifty-seven".

Divisors: 1 23 163 659 3749 15157 41227 107417 948221 2470591 6720001 27168593 154560023 624877639 4428480659 101855055157