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11372855479 = 194121169191
BaseRepresentation
bin10101001011110000…
…00000000010110111
31002100121000220210121
422211320000002313
5141242422333404
65120303432411
7551554451026
oct124570000267
932317026717
1011372855479
114906753717
1222548b5707
1310c32538ab
1479c60a8bd
1546868ee54
hex2a5e000b7

11372855479 has 16 divisors (see below), whose sum is σ = 12321711360. Its totient is φ = 10461528000.

The previous prime is 11372855447. The next prime is 11372855497. The reversal of 11372855479 is 97455827311.

It is a cyclic number.

It is not a de Polignac number, because 11372855479 - 25 = 11372855447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11372855419) 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, 129774 + ... + 198964.

It is an arithmetic number, because the mean of its divisors is an integer number (770106960).

Almost surely, 211372855479 is an apocalyptic number.

11372855479 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

11372855479 is a deficient number, since it is larger than the sum of its proper divisors (948855881).

11372855479 is a wasteful number, since it uses less digits than its factorization.

11372855479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69462.

The product of its digits is 2116800, while the sum is 52.

The spelling of 11372855479 in words is "eleven billion, three hundred seventy-two million, eight hundred fifty-five thousand, four hundred seventy-nine".

Divisors: 1 19 41 211 779 4009 8651 69191 164369 1314629 2836831 14599301 53899789 277386719 598571341 11372855479