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42812457198 = 2371019344219
BaseRepresentation
bin100111110111110100…
…100100000011101110
311002111200012011110220
4213313310210003232
51200134442112243
631400123312210
73043634611320
oct476764440356
9132450164426
1042812457198
111717a574835
12836997b666
134063951914
142101d15610
1511a8882783
hex9f7d240ee

42812457198 has 16 divisors (see below), whose sum is σ = 97857045120. Its totient is φ = 12232130616.

The previous prime is 42812457197. The next prime is 42812457269. The reversal of 42812457198 is 89175421824.

It is a super-2 number, since 2×428124571982 (a number of 22 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 42812457198.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42812457197) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 509672068 + ... + 509672151.

It is an arithmetic number, because the mean of its divisors is an integer number (6116065320).

Almost surely, 242812457198 is an apocalyptic number.

42812457198 is an abundant number, since it is smaller than the sum of its proper divisors (55044587922).

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

42812457198 is a wasteful number, since it uses less digits than its factorization.

42812457198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1019344231.

The product of its digits is 1290240, while the sum is 51.

The spelling of 42812457198 in words is "forty-two billion, eight hundred twelve million, four hundred fifty-seven thousand, one hundred ninety-eight".

Divisors: 1 2 3 6 7 14 21 42 1019344219 2038688438 3058032657 6116065314 7135409533 14270819066 21406228599 42812457198