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115401535051 = 11331206915319
BaseRepresentation
bin110101101111001110…
…1111010111001001011
3102000212112100101110211
41223132131322321023
53342320243110201
6125003103221551
711223520602025
oct1533635727113
9360775311424
10115401535051
1144a3a181370
121a4478a78b7
13ab615b69aa
14582a729015
153006417651
hex1ade77ae4b

115401535051 has 16 divisors (see below), whose sum is σ = 126342201600. Its totient is φ = 104536159200.

The previous prime is 115401535037. The next prime is 115401535061. The reversal of 115401535051 is 150535104511.

It is a happy number.

It is not a de Polignac number, because 115401535051 - 29 = 115401534539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115401535061) 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, 7525570 + ... + 7540888.

It is an arithmetic number, because the mean of its divisors is an integer number (7896387600).

Almost surely, 2115401535051 is an apocalyptic number.

115401535051 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

115401535051 is a deficient number, since it is larger than the sum of its proper divisors (10940666549).

115401535051 is a wasteful number, since it uses less digits than its factorization.

115401535051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17730.

The product of its (nonzero) digits is 7500, while the sum is 31.

Adding to 115401535051 its reverse (150535104511), we get a palindrome (265936639562).

The spelling of 115401535051 in words is "one hundred fifteen billion, four hundred one million, five hundred thirty-five thousand, fifty-one".

Divisors: 1 11 331 2069 3641 15319 22759 168509 684839 5070589 7533229 31695011 55776479 348645121 10491048641 115401535051