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10102202442 = 233187077823
BaseRepresentation
bin10010110100010001…
…10110000001001010
3222002001002001112000
421122020312001022
5131142130434232
64350233131430
7505225206153
oct113210660112
928061061460
1010102202442
114314480242
121b5b259b76
13c4cc225a7
146bb96892a
153e1d4a27c
hex25a23604a

10102202442 has 16 divisors (see below), whose sum is σ = 22449338880. Its totient is φ = 3367400796.

The previous prime is 10102202441. The next prime is 10102202459. The reversal of 10102202442 is 24420220101.

10102202442 is a `hidden beast` number, since 1 + 0 + 1 + 0 + 220 + 2 + 442 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (10102202441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93538858 + ... + 93538965.

It is an arithmetic number, because the mean of its divisors is an integer number (1403083680).

Almost surely, 210102202442 is an apocalyptic number.

10102202442 is an abundant number, since it is smaller than the sum of its proper divisors (12347136438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10102202442 is a wasteful number, since it uses less digits than its factorization.

10102202442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187077834 (or 187077828 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 10102202442 its reverse (24420220101), we get a palindrome (34522422543).

The spelling of 10102202442 in words is "ten billion, one hundred two million, two hundred two thousand, four hundred forty-two".

Divisors: 1 2 3 6 9 18 27 54 187077823 374155646 561233469 1122466938 1683700407 3367400814 5051101221 10102202442