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23842433842 = 211921216921
BaseRepresentation
bin10110001101000111…
…101010101100110010
32021112121202010120021
4112031013222230302
5342312130340332
614541510034054
71502560225633
oct261507525462
967477663507
1023842433842
11a125483487
12475494892a
13232c77b626
14122274188a
15948269c97
hex58d1eab32

23842433842 has 4 divisors (see below), whose sum is σ = 35763650766. Its totient is φ = 11921216920.

The previous prime is 23842433833. The next prime is 23842433843. The reversal of 23842433842 is 24833424832.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 16215730281 + 7626703561 = 127341^2 + 87331^2 .

It is not an unprimeable number, because it can be changed into a prime (23842433843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5960608459 + ... + 5960608462.

Almost surely, 223842433842 is an apocalyptic number.

23842433842 is a deficient number, since it is larger than the sum of its proper divisors (11921216924).

23842433842 is a wasteful number, since it uses less digits than its factorization.

23842433842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11921216923.

The product of its digits is 884736, while the sum is 43.

The spelling of 23842433842 in words is "twenty-three billion, eight hundred forty-two million, four hundred thirty-three thousand, eight hundred forty-two".

Divisors: 1 2 11921216921 23842433842