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101405135 = 51313111909
BaseRepresentation
bin1100000101101…
…01000111001111
321001210220200202
412002311013033
5201424431020
614021244115
72340633536
oct602650717
9231726622
10101405135
11522711a7
1229b6363b
1318016250
14d67931d
158d80e75
hex60b51cf

101405135 has 16 divisors (see below), whose sum is σ = 132058080. Its totient is φ = 74305920.

The previous prime is 101405131. The next prime is 101405189. The reversal of 101405135 is 531504101.

It is not a de Polignac number, because 101405135 - 22 = 101405131 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101405131) 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, 2561 + ... + 14469.

It is an arithmetic number, because the mean of its divisors is an integer number (8253630).

Almost surely, 2101405135 is an apocalyptic number.

101405135 is a deficient number, since it is larger than the sum of its proper divisors (30652945).

101405135 is a wasteful number, since it uses less digits than its factorization.

101405135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12058.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 101405135 is about 10070.0116683150. The cubic root of 101405135 is about 466.3227991180.

Adding to 101405135 its reverse (531504101), we get a palindrome (632909236).

The spelling of 101405135 in words is "one hundred one million, four hundred five thousand, one hundred thirty-five".

Divisors: 1 5 13 65 131 655 1703 8515 11909 59545 154817 774085 1560079 7800395 20281027 101405135