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207942018942 = 23737133810823
BaseRepresentation
bin1100000110101001001…
…1110110011101111110
3201212201211121001100010
43001222103312131332
511401331124101232
6235305515044050
721010665666120
oct3015223663576
9655654531303
10207942018942
1180207937619
1234373440626
13167bb841278
14a0c8bb5210
15562081a0cc
hex306a4f677e

207942018942 has 32 divisors (see below), whose sum is σ = 488141885952. Its totient is φ = 57806275104.

The previous prime is 207942018899. The next prime is 207942018967. The reversal of 207942018942 is 249810249702.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 207942018891 and 207942018900.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66903858 + ... + 66906965.

It is an arithmetic number, because the mean of its divisors is an integer number (15254433936).

Almost surely, 2207942018942 is an apocalyptic number.

207942018942 is an abundant number, since it is smaller than the sum of its proper divisors (280199867010).

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

207942018942 is a wasteful number, since it uses less digits than its factorization.

207942018942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133810872.

The product of its (nonzero) digits is 580608, while the sum is 48.

The spelling of 207942018942 in words is "two hundred seven billion, nine hundred forty-two million, eighteen thousand, nine hundred forty-two".

Divisors: 1 2 3 6 7 14 21 37 42 74 111 222 259 518 777 1554 133810823 267621646 401432469 802864938 936675761 1873351522 2810027283 4951000451 5620054566 9902000902 14853001353 29706002706 34657003157 69314006314 103971009471 207942018942