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11401134631 = 71757721193
BaseRepresentation
bin10101001111000111…
…11000001000100111
31002102120020122111121
422213203320020213
5141322142302011
65123153514411
7552350021365
oct124743701047
932376218447
1011401134631
114920709217
122262272a07
1310c9075513
147a228c635
1546adc8e71
hex2a78f8227

11401134631 has 8 divisors (see below), whose sum is σ = 11563785504. Its totient is φ = 11238541440.

The previous prime is 11401134629. The next prime is 11401134659. The reversal of 11401134631 is 13643110411.

It is a happy number.

11401134631 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 11401134631 - 21 = 11401134629 is a prime.

It is a super-2 number, since 2×114011346312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11401134596 and 11401134605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11401134691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 527371 + ... + 548563.

It is an arithmetic number, because the mean of its divisors is an integer number (1445473188).

Almost surely, 211401134631 is an apocalyptic number.

11401134631 is a deficient number, since it is larger than the sum of its proper divisors (162650873).

11401134631 is an equidigital number, since it uses as much as digits as its factorization.

11401134631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28841.

The product of its (nonzero) digits is 864, while the sum is 25.

The spelling of 11401134631 in words is "eleven billion, four hundred one million, one hundred thirty-four thousand, six hundred thirty-one".

Divisors: 1 71 7577 21193 537967 1504703 160579361 11401134631