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1371316520 = 23574897559
BaseRepresentation
bin101000110111100…
…1010000100101000
310112120101002121202
41101233022010220
510302024112040
6344024023332
745660666230
oct12157120450
93476332552
101371316520
11644088442
12323301b48
1318b147ac2
14d01a6cc0
15805cb015
hex51bca128

1371316520 has 32 divisors (see below), whose sum is σ = 3526243200. Its totient is φ = 470165568.

The previous prime is 1371316519. The next prime is 1371316547. The reversal of 1371316520 is 256131731.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2448500 + ... + 2449059.

It is an arithmetic number, because the mean of its divisors is an integer number (110195100).

Almost surely, 21371316520 is an apocalyptic number.

1371316520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1371316520 is an abundant number, since it is smaller than the sum of its proper divisors (2154926680).

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

1371316520 is a wasteful number, since it uses less digits than its factorization.

1371316520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4897577 (or 4897573 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 1371316520 is about 37031.2910928042. The cubic root of 1371316520 is about 1110.9961892548.

The spelling of 1371316520 in words is "one billion, three hundred seventy-one million, three hundred sixteen thousand, five hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 4897559 9795118 19590236 24487795 34282913 39180472 48975590 68565826 97951180 137131652 171414565 195902360 274263304 342829130 685658260 1371316520