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11940090492 = 2231190455231
BaseRepresentation
bin10110001111010111…
…10101001001111100
31010211010101102221210
423013223311021330
5143423130343432
65252445324420
7601613044311
oct130753651174
933733342853
1011940090492
115077962790
122392866710
131183919b05
14813aa4d08
1549d3898cc
hex2c7af527c

11940090492 has 24 divisors (see below), whose sum is σ = 30392957952. Its totient is φ = 3618209200.

The previous prime is 11940090473. The next prime is 11940090553. The reversal of 11940090492 is 29409004911.

It is a self number, because there is not a number n which added to its sum of digits gives 11940090492.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45227484 + ... + 45227747.

It is an arithmetic number, because the mean of its divisors is an integer number (1266373248).

Almost surely, 211940090492 is an apocalyptic number.

11940090492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11940090492 is an abundant number, since it is smaller than the sum of its proper divisors (18452867460).

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

11940090492 is a wasteful number, since it uses less digits than its factorization.

11940090492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90455249 (or 90455247 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 39.

The spelling of 11940090492 in words is "eleven billion, nine hundred forty million, ninety thousand, four hundred ninety-two".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 90455231 180910462 271365693 361820924 542731386 995007541 1085462772 1990015082 2985022623 3980030164 5970045246 11940090492