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103042615261 = 2331618872671
BaseRepresentation
bin101111111110111010…
…0011000011111011101
3100211222012212012201211
41133331310120133131
53142012402142021
6115200452504421
710305330530635
oct1377564303735
9324865765654
10103042615261
113a777962a73
1217b7891b111
139941c94cc1
144db719b6c5
152a313ea3e1
hex17fdd187dd

103042615261 has 32 divisors (see below), whose sum is σ = 112980197376. Its totient is φ = 93678552000.

The previous prime is 103042615217. The next prime is 103042615267. The reversal of 103042615261 is 162516240301.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 103042615261 - 27 = 103042615133 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103042615267) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38576956 + ... + 38579626.

It is an arithmetic number, because the mean of its divisors is an integer number (3530631168).

Almost surely, 2103042615261 is an apocalyptic number.

It is an amenable number.

103042615261 is a deficient number, since it is larger than the sum of its proper divisors (9937582115).

103042615261 is a wasteful number, since it uses less digits than its factorization.

103042615261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3673.

The product of its (nonzero) digits is 8640, while the sum is 31.

Adding to 103042615261 its reverse (162516240301), we get a palindrome (265558855562).

The spelling of 103042615261 in words is "one hundred three billion, forty-two million, six hundred fifteen thousand, two hundred sixty-one".

Divisors: 1 23 31 61 713 887 1403 1891 2671 20401 27497 43493 54107 61433 82801 162931 632431 1244461 1677317 1904423 2369177 3747413 5050861 38578291 54491071 73444487 116169803 144519797 1689223201 3323955331 4480113707 103042615261