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101981541075 = 3521359753881
BaseRepresentation
bin101111011111010010…
…0101101001011010011
3100202020021021001120220
41132332210231023103
53132324233303300
6114503310204123
710240124540121
oct1367644551323
9322207231526
10101981541075
113a282a15257
12179214b3643
1398031c2c5b
144d162b2911
1529bd1a2da0
hex17be92d2d3

101981541075 has 12 divisors (see below), whose sum is σ = 168609481368. Its totient is φ = 54390155200.

The previous prime is 101981541041. The next prime is 101981541091. The reversal of 101981541075 is 570145189101.

It is not a de Polignac number, because 101981541075 - 211 = 101981539027 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 679876866 + ... + 679877015.

It is an arithmetic number, because the mean of its divisors is an integer number (14050790114).

Almost surely, 2101981541075 is an apocalyptic number.

101981541075 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

101981541075 is a deficient number, since it is larger than the sum of its proper divisors (66627940293).

101981541075 is a wasteful number, since it uses less digits than its factorization.

101981541075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1359753894 (or 1359753889 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 42.

The spelling of 101981541075 in words is "one hundred one billion, nine hundred eighty-one million, five hundred forty-one thousand, seventy-five".

Divisors: 1 3 5 15 25 75 1359753881 4079261643 6798769405 20396308215 33993847025 101981541075