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10838992642 = 222051245771
BaseRepresentation
bin10100001100000110…
…11110011100000010
31000222101110212122221
422012003132130002
5134144240231032
64551313121254
7532412626432
oct120603363402
930871425587
1010838992642
114662368665
122125b5922a
13103977351a
1474b75c2c2
15436888597
hex2860de702

10838992642 has 8 divisors (see below), whose sum is σ = 16259292432. Its totient is φ = 5419228500.

The previous prime is 10838992607. The next prime is 10838992649. The reversal of 10838992642 is 24629983801.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×108389926422 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10838992642.

It is not an unprimeable number, because it can be changed into a prime (10838992649) 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, 78784 + ... + 166987.

It is an arithmetic number, because the mean of its divisors is an integer number (2032411554).

Almost surely, 210838992642 is an apocalyptic number.

10838992642 is a deficient number, since it is larger than the sum of its proper divisors (5420299790).

10838992642 is a wasteful number, since it uses less digits than its factorization.

10838992642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267824.

The product of its (nonzero) digits is 1492992, while the sum is 52.

The spelling of 10838992642 in words is "ten billion, eight hundred thirty-eight million, nine hundred ninety-two thousand, six hundred forty-two".

Divisors: 1 2 22051 44102 245771 491542 5419496321 10838992642