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105977053778 = 23143172323071
BaseRepresentation
bin110001010110010111…
…0011000001001010010
3101010112201112010121212
41202230232120021102
53214020111210103
6120404000020122
710441132044161
oct1425456301122
9333481463555
10105977053778
1140a43314072
1218657601642
139cbbc0305b
1451b4bb93d8
152b53d3d7d8
hex18acb98252

105977053778 has 32 divisors (see below), whose sum is σ = 168014364672. Its totient is φ = 50055440400.

The previous prime is 105977053753. The next prime is 105977053781. The reversal of 105977053778 is 877350779501.

It is a super-2 number, since 2×1059770537782 (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4581983 + ... + 4605053.

It is an arithmetic number, because the mean of its divisors is an integer number (5250448896).

Almost surely, 2105977053778 is an apocalyptic number.

105977053778 is a deficient number, since it is larger than the sum of its proper divisors (62037310894).

105977053778 is a wasteful number, since it uses less digits than its factorization.

105977053778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24870.

The product of its (nonzero) digits is 12965400, while the sum is 59.

The spelling of 105977053778 in words is "one hundred five billion, nine hundred seventy-seven million, fifty-three thousand, seven hundred seventy-eight".

Divisors: 1 2 31 43 62 86 1333 1723 2666 3446 23071 46142 53413 74089 106826 148178 715201 992053 1430402 1984106 2296759 4593518 30753643 39751333 61507286 79502666 1232291323 1709307319 2464582646 3418614638 52988526889 105977053778