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10121702308 = 224161717697
BaseRepresentation
bin10010110110100110…
…01110101110100100
3222010101202202022021
421123103032232210
5131212123433213
64352211112524
7505553023114
oct113323165644
928111682267
1010121702308
114324489833
121b658a2744
13c53c8c183
146c03a3044
153e38ecd8d
hex25b4ceba4

10121702308 has 12 divisors (see below), whose sum is σ = 18145003212. Its totient is φ = 4937415680.

The previous prime is 10121702303. The next prime is 10121702323. The reversal of 10121702308 is 80320712101.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6132769344 + 3988932964 = 78312^2 + 63158^2 .

It is a super-2 number, since 2×101217023082 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10121702303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30858685 + ... + 30859012.

It is an arithmetic number, because the mean of its divisors is an integer number (1512083601).

Almost surely, 210121702308 is an apocalyptic number.

It is an amenable number.

10121702308 is a deficient number, since it is larger than the sum of its proper divisors (8023300904).

10121702308 is a wasteful number, since it uses less digits than its factorization.

10121702308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61717742 (or 61717740 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 25.

The spelling of 10121702308 in words is "ten billion, one hundred twenty-one million, seven hundred two thousand, three hundred eight".

Divisors: 1 2 4 41 82 164 61717697 123435394 246870788 2530425577 5060851154 10121702308