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18824119242 = 2319213777269
BaseRepresentation
bin10001100010000000…
…010100001111001010
31210120212220100002120
4101202000110033022
5302022433303432
612351522112110
71234323242055
oct214200241712
953525810076
1018824119242
117a8a7a7445
1237941ab636
131a0cba97c6
14ca8073a9c
157528e6c2c
hex4620143ca

18824119242 has 32 divisors (see below), whose sum is σ = 39648782400. Its totient is φ = 5941600128.

The previous prime is 18824119229. The next prime is 18824119247. The reversal of 18824119242 is 24291142881.

It is a junction number, because it is equal to n+sod(n) for n = 18824119194 and 18824119203.

It is not an unprimeable number, because it can be changed into a prime (18824119247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 204984 + ... + 282252.

It is an arithmetic number, because the mean of its divisors is an integer number (1239024450).

Almost surely, 218824119242 is an apocalyptic number.

18824119242 is an abundant number, since it is smaller than the sum of its proper divisors (20824663158).

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

18824119242 is a wasteful number, since it uses less digits than its factorization.

18824119242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79430.

The product of its digits is 73728, while the sum is 42.

The spelling of 18824119242 in words is "eighteen billion, eight hundred twenty-four million, one hundred nineteen thousand, two hundred forty-two".

Divisors: 1 2 3 6 19 38 57 114 2137 4274 6411 12822 40603 77269 81206 121809 154538 231807 243618 463614 1468111 2936222 4404333 8808666 165123853 330247706 495371559 990743118 3137353207 6274706414 9412059621 18824119242