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103121010010 = 2581112715291
BaseRepresentation
bin110000000001001111…
…1011011110101011010
3100212011200101002010001
41200002133123311122
53142142434310020
6115212333043214
710310302060024
oct1400237336532
9325150332101
10103121010010
113a808138117
1217b9b02650a
1399552b2825
144dc3767014
152a3823350a
hex18027dbd5a

103121010010 has 16 divisors (see below), whose sum is σ = 185846707872. Its totient is φ = 41197539600.

The previous prime is 103121009969. The next prime is 103121010017. The reversal of 103121010010 is 10010121301.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (103121010017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6349536 + ... + 6365755.

It is an arithmetic number, because the mean of its divisors is an integer number (11615419242).

Almost surely, 2103121010010 is an apocalyptic number.

103121010010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

103121010010 is a deficient number, since it is larger than the sum of its proper divisors (82725697862).

103121010010 is a wasteful number, since it uses less digits than its factorization.

103121010010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12716109.

The product of its (nonzero) digits is 6, while the sum is 10.

Adding to 103121010010 its reverse (10010121301), we get a palindrome (113131131311).

The spelling of 103121010010 in words is "one hundred three billion, one hundred twenty-one million, ten thousand, ten".

Divisors: 1 2 5 10 811 1622 4055 8110 12715291 25430582 63576455 127152910 10312101001 20624202002 51560505005 103121010010