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101055542140 = 2257721825301
BaseRepresentation
bin101111000011101100…
…0010011001101111100
3100122211201211102212001
41132013120103031330
53123430204322030
6114231350552044
710205151635560
oct1360730231574
9318751742761
10101055542140
1139948245583
1217703368624
1396b63c57a7
144c693096a0
152966c3ccca
hex178761337c

101055542140 has 24 divisors (see below), whose sum is σ = 242533301472. Its totient is φ = 34647614400.

The previous prime is 101055542053. The next prime is 101055542167. The reversal of 101055542140 is 41245550101.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 101055542099 and 101055542108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 360912511 + ... + 360912790.

It is an arithmetic number, because the mean of its divisors is an integer number (10105554228).

Almost surely, 2101055542140 is an apocalyptic number.

101055542140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101055542140 is an abundant number, since it is smaller than the sum of its proper divisors (141477759332).

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

101055542140 is a wasteful number, since it uses less digits than its factorization.

101055542140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721825317 (or 721825315 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 28.

The spelling of 101055542140 in words is "one hundred one billion, fifty-five million, five hundred forty-two thousand, one hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 721825301 1443650602 2887301204 3609126505 5052777107 7218253010 10105554214 14436506020 20211108428 25263885535 50527771070 101055542140