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11761341920 = 255307239441
BaseRepresentation
bin10101111010000011…
…11101010111100000
31010100200001002000022
422331001331113200
5143041400420140
65223022213012
7564312520406
oct127501752740
933320032008
1011761341920
114a95a75299
122342a24168
131155893723
147d8055476
1548c82c0b5
hex2bd07d5e0

11761341920 has 48 divisors (see below), whose sum is σ = 27876795408. Its totient is φ = 4689192960.

The previous prime is 11761341821. The next prime is 11761341923. The reversal of 11761341920 is 2914316711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11761341923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70601 + ... + 168840.

It is an arithmetic number, because the mean of its divisors is an integer number (580766571).

Almost surely, 211761341920 is an apocalyptic number.

11761341920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11761341920 is an abundant number, since it is smaller than the sum of its proper divisors (16115453488).

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

11761341920 is a wasteful number, since it uses less digits than its factorization.

11761341920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239763 (or 239755 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 35.

The spelling of 11761341920 in words is "eleven billion, seven hundred sixty-one million, three hundred forty-one thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 307 614 1228 1535 2456 3070 4912 6140 9824 12280 24560 49120 239441 478882 957764 1197205 1915528 2394410 3831056 4788820 7662112 9577640 19155280 38310560 73508387 147016774 294033548 367541935 588067096 735083870 1176134192 1470167740 2352268384 2940335480 5880670960 11761341920