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1372553020 = 22568627651
BaseRepresentation
bin101000111001111…
…0111111100111100
310112122200220210001
41101303313330330
510302333144040
6344110324044
746004336206
oct12163677474
93478626701
101372553020
11644852443
123237b9624
1318b48b867
14d0409776
158077259a
hex51cf7f3c

1372553020 has 12 divisors (see below), whose sum is σ = 2882361384. Its totient is φ = 549021200.

The previous prime is 1372553011. The next prime is 1372553029. The reversal of 1372553020 is 203552731.

It is an interprime number because it is at equal distance from previous prime (1372553011) and next prime (1372553029).

It is a super-2 number, since 2×13725530202 = 3767803585422240800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1372553020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1372553029) 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, 34313806 + ... + 34313845.

It is an arithmetic number, because the mean of its divisors is an integer number (240196782).

Almost surely, 21372553020 is an apocalyptic number.

1372553020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1372553020 is an abundant number, since it is smaller than the sum of its proper divisors (1509808364).

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

1372553020 is a wasteful number, since it uses less digits than its factorization.

1372553020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68627660 (or 68627658 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 28.

The square root of 1372553020 is about 37047.9826711253. The cubic root of 1372553020 is about 1111.3300130117.

The spelling of 1372553020 in words is "one billion, three hundred seventy-two million, five hundred fifty-three thousand, twenty".

Divisors: 1 2 4 5 10 20 68627651 137255302 274510604 343138255 686276510 1372553020