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1253680429719 = 31572661741889
BaseRepresentation
bin10010001111100101001…
…011010011101010010111
311102211222010220111001010
4102033211023103222113
5131020014142222334
62355533254303303
7156401240553414
oct22174513235227
94384863814033
101253680429719
11443756a124a3
12182b7b057b33
13912b59b86a3
144496d98310b
152292772d0e9
hex123e52d3a97

1253680429719 has 8 divisors (see below), whose sum is σ = 1682220874480. Its totient is φ = 830463469056.

The previous prime is 1253680429699. The next prime is 1253680429723. The reversal of 1253680429719 is 9179240863521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1253680429719 - 29 = 1253680429207 is a prime.

It is a super-2 number, since 2×12536804297192 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1253680429219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1330870474 + ... + 1330871415.

It is an arithmetic number, because the mean of its divisors is an integer number (210277609310).

It is a 1-persistent number, because it is pandigital, but 2⋅1253680429719 = 2507360859438 is not.

Almost surely, 21253680429719 is an apocalyptic number.

1253680429719 is a deficient number, since it is larger than the sum of its proper divisors (428540444761).

1253680429719 is a wasteful number, since it uses less digits than its factorization.

1253680429719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2661742049.

The product of its (nonzero) digits is 6531840, while the sum is 57.

The spelling of 1253680429719 in words is "one trillion, two hundred fifty-three billion, six hundred eighty million, four hundred twenty-nine thousand, seven hundred nineteen".

Divisors: 1 3 157 471 2661741889 7985225667 417893476573 1253680429719