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1253055111231 = 371129672791807
BaseRepresentation
bin10010001110111111111…
…001111010000000111111
311102210100120021000100010
4102032333321322000333
5131012224102024411
62355351235434303
7156346605464430
oct22167771720077
94383316230303
101253055111231
11443465a41460
12182a25755993
1391216296951
14449108c9487
15228dc8ad7a6
hex123bfe7a03f

1253055111231 has 64 divisors (see below), whose sum is σ = 2186990714880. Its totient is φ = 619110898560.

The previous prime is 1253055111199. The next prime is 1253055111271. The reversal of 1253055111231 is 1321115503521.

It is not a de Polignac number, because 1253055111231 - 25 = 1253055111199 is a prime.

It is a super-2 number, since 2×12530551112312 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1253055111271) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 947071 + ... + 1844736.

It is an arithmetic number, because the mean of its divisors is an integer number (34171729920).

Almost surely, 21253055111231 is an apocalyptic number.

1253055111231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1253055111231 is a deficient number, since it is larger than the sum of its proper divisors (933935603649).

1253055111231 is a wasteful number, since it uses less digits than its factorization.

1253055111231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2791924.

The product of its (nonzero) digits is 4500, while the sum is 30.

The spelling of 1253055111231 in words is "one trillion, two hundred fifty-three billion, fifty-five million, one hundred eleven thousand, two hundred thirty-one".

Divisors: 1 3 7 11 21 29 33 67 77 87 201 203 231 319 469 609 737 957 1407 1943 2211 2233 5159 5829 6699 13601 15477 21373 40803 64119 149611 448833 2791807 8375421 19542649 30709877 58627947 80962403 92129631 187051069 214969139 242887209 561153207 566736821 644907417 890586433 1309357483 1700210463 2057561759 2671759299 3928072449 5424481001 6172685277 6234105031 14402932313 16273443003 18702315093 37971367007 43208796939 59669291011 113914101021 179007873033 417685037077 1253055111231