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109745960520 = 23357243894877
BaseRepresentation
bin110011000110101011…
…1100111011001001000
3101111021101101102201110
41212031113213121020
53244224431214040
6122225552450320
710633415162400
oct1461527473110
9344241342643
10109745960520
11425a7808529
12193298499a0
13a46c9a19a1
145451575800
152cc4b66980
hex198d5e7648

109745960520 has 384 divisors, whose sum is σ = 396382377600. Its totient is φ = 24221159424.

The previous prime is 109745960509. The next prime is 109745960531. The reversal of 109745960520 is 25069547901.

It is an interprime number because it is at equal distance from previous prime (109745960509) and next prime (109745960531).

It is a self number, because there is not a number n which added to its sum of digits gives 109745960520.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 22500322 + ... + 22505198.

It is an arithmetic number, because the mean of its divisors is an integer number (1032245775).

Almost surely, 2109745960520 is an apocalyptic number.

109745960520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 109745960520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (198191188800).

109745960520 is an abundant number, since it is smaller than the sum of its proper divisors (286636417080).

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

109745960520 is a wasteful number, since it uses less digits than its factorization.

109745960520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5037 (or 5026 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 48.

The spelling of 109745960520 in words is "one hundred nine billion, seven hundred forty-five million, nine hundred sixty thousand, five hundred twenty".