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11430520254 = 23617594457
BaseRepresentation
bin10101010010100111…
…11110010110111110
31002111121112121000000
422221103332112332
5141402203122004
65130123415130
7553154550636
oct125123762676
932447477000
1011430520254
11493625a05a
1222700844a6
13110219396a
147a613b6c6
1546d780c39
hex2a94fe5be

11430520254 has 56 divisors (see below), whose sum is σ = 25727296320. Its totient is φ = 3807152928.

The previous prime is 11430520207. The next prime is 11430520261. The reversal of 11430520254 is 45202503411.

11430520254 is a `hidden beast` number, since 114 + 3 + 0 + 520 + 25 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 2562394 + ... + 2566850.

Almost surely, 211430520254 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11430520254, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12863648160).

11430520254 is an abundant number, since it is smaller than the sum of its proper divisors (14296776066).

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

11430520254 is an equidigital number, since it uses as much as digits as its factorization.

11430520254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6236 (or 6221 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The spelling of 11430520254 in words is "eleven billion, four hundred thirty million, five hundred twenty thousand, two hundred fifty-four".

Divisors: 1 2 3 6 9 18 27 54 81 162 243 486 729 1458 1759 3518 4457 5277 8914 10554 13371 15831 26742 31662 40113 47493 80226 94986 120339 142479 240678 284958 361017 427437 722034 854874 1083051 1282311 2166102 2564622 3249153 6498306 7839863 15679726 23519589 47039178 70558767 141117534 211676301 423352602 635028903 1270057806 1905086709 3810173418 5715260127 11430520254