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10102421012 = 223177967209
BaseRepresentation
bin10010110100010011…
…01011011000010100
3222002001111011100012
421122021223120110
5131142204433022
64350241535352
7505230106325
oct113211533024
928061434305
1010102421012
11431460a482
121b5b344558
13c4cc9ac18
146bb9c444c
153e1d8ede2
hex25a26b614

10102421012 has 12 divisors (see below), whose sum is σ = 17735009460. Its totient is φ = 5035275456.

The previous prime is 10102420997. The next prime is 10102421041. The reversal of 10102421012 is 21012420101.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3485249296 + 6617171716 = 59036^2 + 81346^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3982337 + ... + 3984872.

It is an arithmetic number, because the mean of its divisors is an integer number (1477917455).

Almost surely, 210102421012 is an apocalyptic number.

It is an amenable number.

10102421012 is a deficient number, since it is larger than the sum of its proper divisors (7632588448).

10102421012 is a wasteful number, since it uses less digits than its factorization.

10102421012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7967530 (or 7967528 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 10102421012 its reverse (21012420101), we get a palindrome (31114841113).

The spelling of 10102421012 in words is "ten billion, one hundred two million, four hundred twenty-one thousand, twelve".

Divisors: 1 2 4 317 634 1268 7967209 15934418 31868836 2525605253 5051210506 10102421012