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11916974750 = 253154330893
BaseRepresentation
bin10110001100100111…
…01001101010011110
31010202111220001010012
423012103221222132
5143401221143000
65250302043222
7601212420422
oct130623515236
933674801105
1011916974750
11506590456a
122386b79512
13117bbb5465
148109a8b82
1549b320735
hex2c64e9a9e

11916974750 has 32 divisors (see below), whose sum is σ = 22323757248. Its totient is φ = 4763546400.

The previous prime is 11916974723. The next prime is 11916974753. The reversal of 11916974750 is 5747961911.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11916974753) 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, 370304 + ... + 401196.

It is an arithmetic number, because the mean of its divisors is an integer number (697617414).

Almost surely, 211916974750 is an apocalyptic number.

11916974750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11916974750 is a deficient number, since it is larger than the sum of its proper divisors (10406782498).

11916974750 is a wasteful number, since it uses less digits than its factorization.

11916974750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32453 (or 32443 counting only the distinct ones).

The product of its (nonzero) digits is 476280, while the sum is 50.

The spelling of 11916974750 in words is "eleven billion, nine hundred sixteen million, nine hundred seventy-four thousand, seven hundred fifty".

Divisors: 1 2 5 10 25 50 125 250 1543 3086 7715 15430 30893 38575 61786 77150 154465 192875 308930 385750 772325 1544650 3861625 7723250 47667899 95335798 238339495 476678990 1191697475 2383394950 5958487375 11916974750