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11803434524 = 2271997228731
BaseRepresentation
bin10101111111000101…
…00001111000011100
31010110121020121012122
422333202201320130
5143133134401044
65231124322112
7565333352360
oct127742417034
933417217178
1011803434524
115007805072
122354b43338
1311615108ab
147dd8912a0
15491393dee
hex2bf8a1e1c

11803434524 has 48 divisors (see below), whose sum is σ = 25105624320. Its totient is φ = 4742945280.

The previous prime is 11803434521. The next prime is 11803434551. The reversal of 11803434524 is 42543430811.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11803434521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62762 + ... + 165969.

It is an arithmetic number, because the mean of its divisors is an integer number (523033840).

Almost surely, 211803434524 is an apocalyptic number.

11803434524 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

11803434524 is an abundant number, since it is smaller than the sum of its proper divisors (13302189796).

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

11803434524 is a wasteful number, since it uses less digits than its factorization.

11803434524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228858 (or 228856 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 35.

The spelling of 11803434524 in words is "eleven billion, eight hundred three million, four hundred thirty-four thousand, five hundred twenty-four".

Divisors: 1 2 4 7 14 19 28 38 76 97 133 194 266 388 532 679 1358 1843 2716 3686 7372 12901 25802 51604 228731 457462 914924 1601117 3202234 4345889 6404468 8691778 17383556 22186907 30421223 44373814 60842446 88747628 121684892 155308349 310616698 421551233 621233396 843102466 1686204932 2950858631 5901717262 11803434524