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1345312570 = 25719218751
BaseRepresentation
bin101000000101111…
…1101011100111010
310110202102221220111
41100023331130322
510223400000240
6341254414534
745223653040
oct12013753472
93422387814
101345312570
11630437278
1231666144a
13185941954
14ca958390
157d1911ea
hex502fd73a

1345312570 has 16 divisors (see below), whose sum is σ = 2767500288. Its totient is φ = 461250000.

The previous prime is 1345312469. The next prime is 1345312643. The reversal of 1345312570 is 752135431.

It is a happy number.

It is a super-2 number, since 2×13453125702 = 3619731822000009800, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9609306 + ... + 9609445.

It is an arithmetic number, because the mean of its divisors is an integer number (172968768).

Almost surely, 21345312570 is an apocalyptic number.

1345312570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1345312570 is an abundant number, since it is smaller than the sum of its proper divisors (1422187718).

1345312570 is a wasteful number, since it uses less digits than its factorization.

1345312570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19218765.

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 1345312570 is about 36678.5028320405. The cubic root of 1345312570 is about 1103.9288077429.

The spelling of 1345312570 in words is "one billion, three hundred forty-five million, three hundred twelve thousand, five hundred seventy".

Divisors: 1 2 5 7 10 14 35 70 19218751 38437502 96093755 134531257 192187510 269062514 672656285 1345312570