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940154990242 = 213112932028173
BaseRepresentation
bin11011010111001011001…
…10101010111010100010
310022212201000110221101011
431223211212222322202
5110400414134141432
61555522400131134
7124631626363636
oct15534546527242
93285630427334
10940154990242
11332798a89346
12132260006aaa
136a86b996a70
143370a3badc6
15196c792b847
hexdae59aaea2

940154990242 has 16 divisors (see below), whose sum is σ = 1520057138040. Its totient is φ = 433533336192.

The previous prime is 940154990207. The next prime is 940154990249. The reversal of 940154990242 is 242099451049.

It can be written as a sum of positive squares in 4 ways, for example, as 640222419321 + 299932570921 = 800139^2 + 547661^2 .

It is not an unprimeable number, because it can be changed into a prime (940154990249) 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, 15984733 + ... + 16043440.

Almost surely, 2940154990242 is an apocalyptic number.

940154990242 is a deficient number, since it is larger than the sum of its proper divisors (579902147798).

940154990242 is a wasteful number, since it uses less digits than its factorization.

940154990242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32029317.

The product of its (nonzero) digits is 933120, while the sum is 49.

The spelling of 940154990242 in words is "nine hundred forty billion, one hundred fifty-four million, nine hundred ninety thousand, two hundred forty-two".

Divisors: 1 2 13 26 1129 2258 14677 29354 32028173 64056346 416366249 832732498 36159807317 72319614634 470077495121 940154990242