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10121221130 = 251317726123
BaseRepresentation
bin10010110110100010…
…11001010000001010
3222010100212022020212
421123101121100022
5131212013034010
64352152521122
7505545650216
oct113321312012
928110768225
1010121221130
114324190269
121b656b01a2
13c53b51157
146c02b9946
153e3855505
hex25b45940a

10121221130 has 16 divisors (see below), whose sum is σ = 18357270624. Its totient is φ = 4017583440.

The previous prime is 10121221111. The next prime is 10121221147. The reversal of 10121221130 is 3112212101.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3861752 + ... + 3864371.

It is an arithmetic number, because the mean of its divisors is an integer number (1147329414).

Almost surely, 210121221130 is an apocalyptic number.

10121221130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10121221130 is a deficient number, since it is larger than the sum of its proper divisors (8236049494).

10121221130 is a wasteful number, since it uses less digits than its factorization.

10121221130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7726261.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 10121221130 its reverse (3112212101), we get a palindrome (13233433231).

The spelling of 10121221130 in words is "ten billion, one hundred twenty-one million, two hundred twenty-one thousand, one hundred thirty".

Divisors: 1 2 5 10 131 262 655 1310 7726123 15452246 38630615 77261230 1012122113 2024244226 5060610565 10121221130