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1942907359989 = 32321224264247
BaseRepresentation
bin11100010001011110010…
…011011001001011110101
320212201222112222020100110
4130101132103121023311
5223313033241004424
64044320451333233
7260241025033401
oct34213623311365
96781875866313
101942907359989
11689a8960a382
1227466b8b1219
131112a5253c4b
146a0741aa101
1535815b1ec29
hex1c45e4d92f5

1942907359989 has 12 divisors (see below), whose sum is σ = 2708072516576. Its totient is φ = 1238955416952.

The previous prime is 1942907359931. The next prime is 1942907359997. The reversal of 1942907359989 is 9899537092491.

It is not a de Polignac number, because 1942907359989 - 220 = 1942906311413 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1942907359989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1942907358989) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 612130537 + ... + 612133710.

Almost surely, 21942907359989 is an apocalyptic number.

It is an amenable number.

1942907359989 is a deficient number, since it is larger than the sum of its proper divisors (765165156587).

1942907359989 is a wasteful number, since it uses less digits than its factorization.

1942907359989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1224264296 (or 1224264273 counting only the distinct ones).

The product of its (nonzero) digits is 396809280, while the sum is 75.

The spelling of 1942907359989 in words is "one trillion, nine hundred forty-two billion, nine hundred seven million, three hundred fifty-nine thousand, nine hundred eighty-nine".

Divisors: 1 3 23 69 529 1587 1224264247 3672792741 28158077681 84474233043 647635786663 1942907359989