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11242534251 = 3131923659657
BaseRepresentation
bin10100111100001101…
…10111010101101011
31002000111210220200110
422132012313111223
5141011042044001
65055330305403
7545412651534
oct123606672553
932014726613
1011242534251
11484a132423
122219128263
1310a2254b40
147891a568b
1545beeb3d6
hex29e1b756b

11242534251 has 32 divisors (see below), whose sum is σ = 17731607040. Its totient is φ = 6269370624.

The previous prime is 11242534243. The next prime is 11242534291. The reversal of 11242534251 is 15243524211.

It is not a de Polignac number, because 11242534251 - 23 = 11242534243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11242534291) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 312786 + ... + 346871.

It is an arithmetic number, because the mean of its divisors is an integer number (554112720).

Almost surely, 211242534251 is an apocalyptic number.

11242534251 is a deficient number, since it is larger than the sum of its proper divisors (6489072789).

11242534251 is a wasteful number, since it uses less digits than its factorization.

11242534251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659715.

The product of its digits is 9600, while the sum is 30.

The spelling of 11242534251 in words is "eleven billion, two hundred forty-two million, five hundred thirty-four thousand, two hundred fifty-one".

Divisors: 1 3 13 19 23 39 57 69 247 299 437 741 897 1311 5681 17043 659657 1978971 8575541 12533483 15172111 25726623 37600449 45516333 162935279 197237443 288270109 488805837 591712329 864810327 3747511417 11242534251