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11731873415740 = 2253169127384047
BaseRepresentation
bin1010101010111000101000…
…1001011100001000111100
31112112120000102121100200121
42222232022021130020330
53014203334043300430
640541314230504324
72320412521444222
oct252561211341074
945476012540617
1011731873415740
11381350676a605
1213958708050a4
1367140710c5ba
142c7b7ba2cb12
1515528da96a7a
hexaab8a25c23c

11731873415740 has 48 divisors (see below), whose sum is σ = 25468479074304. Its totient is φ = 4534798017600.

The previous prime is 11731873415737. The next prime is 11731873415741. The reversal of 11731873415740 is 4751437813711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11731873415741) 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, 13263604 + ... + 14120443.

It is an arithmetic number, because the mean of its divisors is an integer number (530593314048).

Almost surely, 211731873415740 is an apocalyptic number.

11731873415740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11731873415740 is an abundant number, since it is smaller than the sum of its proper divisors (13736605658564).

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

11731873415740 is a wasteful number, since it uses less digits than its factorization.

11731873415740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27384778 (or 27384776 counting only the distinct ones).

The product of its (nonzero) digits is 1975680, while the sum is 52.

The spelling of 11731873415740 in words is "eleven trillion, seven hundred thirty-one billion, eight hundred seventy-three million, four hundred fifteen thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 31 62 124 155 310 620 691 1382 2764 3455 6910 13820 21421 42842 85684 107105 214210 428420 27384047 54768094 109536188 136920235 273840470 547680940 848905457 1697810914 3395621828 4244527285 8489054570 16978109140 18922376477 37844752954 75689505908 94611882385 189223764770 378447529540 586593670787 1173187341574 2346374683148 2932968353935 5865936707870 11731873415740