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11400238079 = 47772731391
BaseRepresentation
bin10101001111000000…
…11101001111111111
31002102111120002122222
422213200131033333
5141321430104304
65123122355555
7552336265466
oct124740351777
932374502588
1011400238079
11492015666a
122261abbbbb
1310c8b20409
147a20d79dd
1546ac9d4be
hex2a781d3ff

11400238079 has 8 divisors (see below), whose sum is σ = 11644674048. Its totient is φ = 11155880440.

The previous prime is 11400238049. The next prime is 11400238123. The reversal of 11400238079 is 97083200411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-11400238079 is a prime.

It is a super-2 number, since 2×114002380792 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11400238009) 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, 347474 + ... + 378864.

It is an arithmetic number, because the mean of its divisors is an integer number (1455584256).

Almost surely, 211400238079 is an apocalyptic number.

11400238079 is a deficient number, since it is larger than the sum of its proper divisors (244435969).

11400238079 is an equidigital number, since it uses as much as digits as its factorization.

11400238079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39165.

The product of its (nonzero) digits is 12096, while the sum is 35.

The spelling of 11400238079 in words is "eleven billion, four hundred million, two hundred thirty-eight thousand, seventy-nine".

Divisors: 1 47 7727 31391 363169 1475377 242558257 11400238079