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19291614292 = 226179063993
BaseRepresentation
bin10001111101110111…
…101010110001010100
31211210110120112202001
4101331313222301110
5304002123124132
612510142125044
71252031005306
oct217567526124
954713515661
1019291614292
1181aa682395
1238a4880784
131a859c06b2
14d101a7976
1577d98dce7
hex47ddeac54

19291614292 has 12 divisors (see below), whose sum is σ = 34313773396. Its totient is φ = 9487679040.

The previous prime is 19291614239. The next prime is 19291614301. The reversal of 19291614292 is 29241619291.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 282374416 + 19009239876 = 16804^2 + 137874^2 .

It is a super-2 number, since 2×192916142922 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39531753 + ... + 39532240.

Almost surely, 219291614292 is an apocalyptic number.

It is an amenable number.

19291614292 is a deficient number, since it is larger than the sum of its proper divisors (15022159104).

19291614292 is a wasteful number, since it uses less digits than its factorization.

19291614292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79064058 (or 79064056 counting only the distinct ones).

The product of its digits is 139968, while the sum is 46.

The spelling of 19291614292 in words is "nineteen billion, two hundred ninety-one million, six hundred fourteen thousand, two hundred ninety-two".

Divisors: 1 2 4 61 122 244 79063993 158127986 316255972 4822903573 9645807146 19291614292