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101242460611 = 131517698461
BaseRepresentation
bin101111001001010000…
…1010101100111000011
3100200022202112212210101
41132102201111213003
53124321032214421
6114302105143231
710212611500435
oct1362241254703
9320282485711
10101242460611
1139a33803156
1217755a8ab17
13971604c736
144c86084655
152978361191
hex17928559c3

101242460611 has 4 divisors (see below), whose sum is σ = 101250172224. Its totient is φ = 101234749000.

The previous prime is 101242460581. The next prime is 101242460623. The reversal of 101242460611 is 116064242101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 116064242101 = 1071084712543.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-101242460611 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 101242460611.

It is not an unprimeable number, because it can be changed into a prime (101242463611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3836080 + ... + 3862381.

It is an arithmetic number, because the mean of its divisors is an integer number (25312543056).

Almost surely, 2101242460611 is an apocalyptic number.

101242460611 is a deficient number, since it is larger than the sum of its proper divisors (7711613).

101242460611 is an equidigital number, since it uses as much as digits as its factorization.

101242460611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7711612.

The product of its (nonzero) digits is 2304, while the sum is 28.

The spelling of 101242460611 in words is "one hundred one billion, two hundred forty-two million, four hundred sixty thousand, six hundred eleven".

Divisors: 1 13151 7698461 101242460611