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1253903070893 = 11525532169071
BaseRepresentation
bin10010001111110010011…
…100100111011010101101
311102212112122211211022112
4102033302130213122231
5131020443141232033
62400011330253405
7156406613150144
oct22176234473255
94385478754275
101253903070893
1144386065a070
12183021727265
139131cb6c325
144499137a75b
152293c05ac48
hex123f27276ad

1253903070893 has 8 divisors (see below), whose sum is σ = 1367920918656. Its totient is φ = 1139889666400.

The previous prime is 1253903070863. The next prime is 1253903070899. The reversal of 1253903070893 is 3980703093521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1253903070893 - 210 = 1253903069869 is a prime.

It is a super-2 number, since 2×12539030708932 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1253903070899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 506453 + ... + 1662618.

It is an arithmetic number, because the mean of its divisors is an integer number (170990114832).

Almost surely, 21253903070893 is an apocalyptic number.

It is an amenable number.

1253903070893 is a deficient number, since it is larger than the sum of its proper divisors (114017847763).

1253903070893 is a wasteful number, since it uses less digits than its factorization.

1253903070893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2221635.

The product of its (nonzero) digits is 1224720, while the sum is 50.

The spelling of 1253903070893 in words is "one trillion, two hundred fifty-three billion, nine hundred three million, seventy thousand, eight hundred ninety-three".

Divisors: 1 11 52553 578083 2169071 23859781 113991188263 1253903070893