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1250680164 = 223104223347
BaseRepresentation
bin100101010001011…
…1101110101100100
310020011101010122120
41022202331311210
510030133231124
6324034225540
742664414566
oct11242756544
93204333576
101250680164
11591a81578
122aaa252b0
1316c15a346
14bc163336
1574bebd79
hex4a8bdd64

1250680164 has 12 divisors (see below), whose sum is σ = 2918253744. Its totient is φ = 416893384.

The previous prime is 1250680163. The next prime is 1250680217. The reversal of 1250680164 is 4610860521.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1250680163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52111662 + ... + 52111685.

It is an arithmetic number, because the mean of its divisors is an integer number (243187812).

Almost surely, 21250680164 is an apocalyptic number.

It is an amenable number.

1250680164 is an abundant number, since it is smaller than the sum of its proper divisors (1667573580).

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

1250680164 is a wasteful number, since it uses less digits than its factorization.

1250680164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104223354 (or 104223352 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 1250680164 is about 35364.9567227220. The cubic root of 1250680164 is about 1077.4126921109.

The spelling of 1250680164 in words is "one billion, two hundred fifty million, six hundred eighty thousand, one hundred sixty-four".

Divisors: 1 2 3 4 6 12 104223347 208446694 312670041 416893388 625340082 1250680164