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253451311155488 = 25291312084852191
BaseRepresentation
bin111001101000001100111011…
…010111101000100100100000
31020020101201010122121201222102
4321220030323113220210200
5231210021241123433423
62255013531442425532
7104246152522601405
oct7150147327504440
91206351118551872
10253451311155488
117383710875a036
122451468b3622a8
13ab56482432544
144683174c002ac
151e47cb4876c28
hexe6833b5e8920

253451311155488 has 48 divisors (see below), whose sum is σ = 520128924860160. Its totient is φ = 121421791545600.

The previous prime is 253451311155487. The next prime is 253451311155541. The reversal of 253451311155488 is 884551113154352.

It is not an unprimeable number, because it can be changed into a prime (253451311155487) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1042304528 + ... + 1042547663.

It is an arithmetic number, because the mean of its divisors is an integer number (10836019267920).

Almost surely, 2253451311155488 is an apocalyptic number.

It is an amenable number.

253451311155488 is an abundant number, since it is smaller than the sum of its proper divisors (266677613704672).

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

253451311155488 is a wasteful number, since it uses less digits than its factorization.

253451311155488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2084852361 (or 2084852353 counting only the distinct ones).

The product of its digits is 11520000, while the sum is 56.

The spelling of 253451311155488 in words is "two hundred fifty-three trillion, four hundred fifty-one billion, three hundred eleven million, one hundred fifty-five thousand, four hundred eighty-eight".

Divisors: 1 2 4 8 16 29 32 58 116 131 232 262 464 524 928 1048 2096 3799 4192 7598 15196 30392 60784 121568 2084852191 4169704382 8339408764 16678817528 33357635056 60460713539 66715270112 120921427078 241842854156 273115637021 483685708312 546231274042 967371416624 1092462548084 1934742833248 2184925096168 4369850192336 7920353473609 8739700384672 15840706947218 31681413894436 63362827788872 126725655577744 253451311155488