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1253876252490 = 232513931958361
BaseRepresentation
bin10010001111110000110…
…110010011111101001010
311102212110210101022101100
4102033300312103331022
5131020414310034430
62400004531402230
7156406136202321
oct22176066237512
94385423338340
101253876252490
11443847501aa4
12183014753376
139131743c554
144498b9990b8
1522939a0e960
hex123f0d93f4a

1253876252490 has 24 divisors (see below), whose sum is σ = 3260078256708. Its totient is φ = 334367000640.

The previous prime is 1253876252471. The next prime is 1253876252569. The reversal of 1253876252490 is 942526783521.

1253876252490 is a `hidden beast` number, since 1 + 2 + 5 + 3 + 8 + 7 + 625 + 2 + 4 + 9 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1028092574601 + 225783677889 = 1013949^2 + 475167^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6965979091 + ... + 6965979270.

It is a 1-persistent number, because it is pandigital, but 2⋅1253876252490 = 2507752504980 is not.

Almost surely, 21253876252490 is an apocalyptic number.

1253876252490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1253876252490 is an abundant number, since it is smaller than the sum of its proper divisors (2006202004218).

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

1253876252490 is a wasteful number, since it uses less digits than its factorization.

1253876252490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13931958374 (or 13931958371 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 54.

The spelling of 1253876252490 in words is "one trillion, two hundred fifty-three billion, eight hundred seventy-six million, two hundred fifty-two thousand, four hundred ninety".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 13931958361 27863916722 41795875083 69659791805 83591750166 125387625249 139319583610 208979375415 250775250498 417958750830 626938126245 1253876252490