Search a number
-
+
61152364620631 = 198365839588977
BaseRepresentation
bin11011110011110001001001…
…11110000110101101010111
322000112002221102201122000201
431321320210332012231113
531003410020320330011
6334021001455321331
715611053413540424
oct1571704476065527
9260462842648021
1061152364620631
1118537632653679
126a378a3220247
13281784927578b
141115b0c5c0d4b
15710aa77d1cc1
hex379e24f86b57

61152364620631 has 16 divisors (see below), whose sum is σ = 65147563353600. Its totient is φ = 57234854786688.

The previous prime is 61152364620583. The next prime is 61152364620679. The reversal of 61152364620631 is 13602646325116.

It is an interprime number because it is at equal distance from previous prime (61152364620583) and next prime (61152364620679).

It is a cyclic number.

It is not a de Polignac number, because 61152364620631 - 29 = 61152364620119 is a prime.

It is a super-2 number, since 2×611523646206312 (a number of 28 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 (61152364620031) 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, 103533615 + ... + 104122591.

It is an arithmetic number, because the mean of its divisors is an integer number (4071722709600).

Almost surely, 261152364620631 is an apocalyptic number.

61152364620631 is a deficient number, since it is larger than the sum of its proper divisors (3995198732969).

61152364620631 is a wasteful number, since it uses less digits than its factorization.

61152364620631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 654918.

The product of its (nonzero) digits is 933120, while the sum is 46.

The spelling of 61152364620631 in words is "sixty-one trillion, one hundred fifty-two billion, three hundred sixty-four million, six hundred twenty thousand, six hundred thirty-one".

Divisors: 1 19 83 1577 65839 588977 1250941 5464637 11190563 48885091 103828103 928816729 38777656703 736775477357 3218545506349 61152364620631