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1513199994 = 23252199999
BaseRepresentation
bin101101000110001…
…1001100101111010
310220110100112011020
41122030121211322
511044334344434
6410053043310
752332662535
oct13214314572
93813315136
101513199994
11707186609
12362926536
131b1664517
14104d7ba1c
158cca5849
hex5a31997a

1513199994 has 8 divisors (see below), whose sum is σ = 3026400000. Its totient is φ = 504399996.

The previous prime is 1513199981. The next prime is 1513199999. The reversal of 1513199994 is 4999913151.

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

1513199994 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (1513199999) 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, 126099994 + ... + 126100005.

It is an arithmetic number, because the mean of its divisors is an integer number (378300000).

Almost surely, 21513199994 is an apocalyptic number.

1513199994 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1513199994 is a wasteful number, since it uses less digits than its factorization.

1513199994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252200004.

The product of its digits is 393660, while the sum is 51.

The square root of 1513199994 is about 38899.8713879622. The cubic root of 1513199994 is about 1148.0622677237.

The spelling of 1513199994 in words is "one billion, five hundred thirteen million, one hundred ninety-nine thousand, nine hundred ninety-four".

Divisors: 1 2 3 6 252199999 504399998 756599997 1513199994