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15914478134 = 222469354143
BaseRepresentation
bin11101101001001001…
…11010101000110110
31112002002220020212002
432310210322220312
5230043101300014
611151102255302
71102242555302
oct166444725066
945062806762
1015914478134
116827342a75
123101887532
131668141689
14aad86cd02
15632250dde
hex3b493aa36

15914478134 has 8 divisors (see below), whose sum is σ = 23872847040. Its totient is φ = 7956862456.

The previous prime is 15914478101. The next prime is 15914478163. The reversal of 15914478134 is 43187441951.

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

It is a super-2 number, since 2×159144781342 (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, 132134 + ... + 222009.

It is an arithmetic number, because the mean of its divisors is an integer number (2984105880).

Almost surely, 215914478134 is an apocalyptic number.

15914478134 is a deficient number, since it is larger than the sum of its proper divisors (7958368906).

15914478134 is a wasteful number, since it uses less digits than its factorization.

15914478134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376614.

The product of its digits is 483840, while the sum is 47.

The spelling of 15914478134 in words is "fifteen billion, nine hundred fourteen million, four hundred seventy-eight thousand, one hundred thirty-four".

Divisors: 1 2 22469 44938 354143 708286 7957239067 15914478134