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106872477997 = 1953149712279
BaseRepresentation
bin110001110001000011…
…0001001100100101101
3101012212010102101201211
41203202012021210231
53222333323243442
6121032504034421
710502254034335
oct1434206114455
9335763371654
10106872477997
114136280058a
1218867462a11
13a102586a7c
14525baa40c5
152ba7764617
hex18e218992d

106872477997 has 16 divisors (see below), whose sum is σ = 115389360000. Its totient is φ = 98670446784.

The previous prime is 106872477991. The next prime is 106872478043. The reversal of 106872477997 is 799774278601.

It is a cyclic number.

It is not a de Polignac number, because 106872477997 - 223 = 106864089389 is a prime.

It is a super-2 number, since 2×1068724779972 (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 (106872477991) 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, 206097 + ... + 506182.

It is an arithmetic number, because the mean of its divisors is an integer number (7211835000).

Almost surely, 2106872477997 is an apocalyptic number.

It is an amenable number.

106872477997 is a deficient number, since it is larger than the sum of its proper divisors (8516882003).

106872477997 is a wasteful number, since it uses less digits than its factorization.

106872477997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712500.

The product of its (nonzero) digits is 74680704, while the sum is 67.

The spelling of 106872477997 in words is "one hundred six billion, eight hundred seventy-two million, four hundred seventy-seven thousand, nine hundred ninety-seven".

Divisors: 1 19 53 149 1007 2831 7897 150043 712279 13533301 37750787 106129571 717264953 2016461849 5624867263 106872477997