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253045312374 = 23157268625597
BaseRepresentation
bin1110101110101010101…
…1010000101101110110
3220012011011101202100110
43223222223100231312
513121214044443444
6312125235123450
724165461444331
oct3535253205566
9805134352313
10253045312374
1198352533538
1241060443586
131ab28c79c8a
14c367051618
1568b035dcb9
hex3aeaad0b76

253045312374 has 16 divisors (see below), whose sum is σ = 509314133808. Its totient is φ = 83811185952.

The previous prime is 253045312361. The next prime is 253045312397. The reversal of 253045312374 is 473213540352.

It is a happy number.

It is a super-2 number, since 2×2530453123742 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134311857 + ... + 134313740.

It is an arithmetic number, because the mean of its divisors is an integer number (31832133363).

Almost surely, 2253045312374 is an apocalyptic number.

253045312374 is an abundant number, since it is smaller than the sum of its proper divisors (256268821434).

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

253045312374 is a wasteful number, since it uses less digits than its factorization.

253045312374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268625759.

The product of its (nonzero) digits is 302400, while the sum is 39.

The spelling of 253045312374 in words is "two hundred fifty-three billion, forty-five million, three hundred twelve thousand, three hundred seventy-four".

Divisors: 1 2 3 6 157 314 471 942 268625597 537251194 805876791 1611753582 42174218729 84348437458 126522656187 253045312374