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5169819972 = 22319187112119
BaseRepresentation
bin1001101000010010…
…10011000101000100
3111100021221001202210
410310021103011010
541041433214342
62212555103420
7242053513302
oct46411230504
914307831683
105169819972
112213257299
121003441b70
136450a9c95
14370869272
15203ced79c
hex134253144

5169819972 has 48 divisors (see below), whose sum is σ = 12705638400. Its totient is φ = 1631567520.

The previous prime is 5169819913. The next prime is 5169819973. The reversal of 5169819972 is 2799189615.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is not an unprimeable number, because it can be changed into a prime (5169819973) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 420529 + ... + 432647.

It is an arithmetic number, because the mean of its divisors is an integer number (264700800).

Almost surely, 25169819972 is an apocalyptic number.

It is an amenable number.

5169819972 is an abundant number, since it is smaller than the sum of its proper divisors (7535818428).

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

5169819972 is a wasteful number, since it uses less digits than its factorization.

5169819972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14016 (or 14014 counting only the distinct ones).

The product of its digits is 2449440, while the sum is 57.

The square root of 5169819972 is about 71901.4601520720. The cubic root of 5169819972 is about 1729.1200233618.

The spelling of 5169819972 in words is "five billion, one hundred sixty-nine million, eight hundred nineteen thousand, nine hundred seventy-two".

Divisors: 1 2 3 4 6 12 19 38 57 76 114 228 1871 3742 5613 7484 11226 12119 22452 24238 35549 36357 48476 71098 72714 106647 142196 145428 213294 230261 426588 460522 690783 921044 1381566 2763132 22674649 45349298 68023947 90698596 136047894 272095788 430818331 861636662 1292454993 1723273324 2584909986 5169819972