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140285670992 = 2419617747919
BaseRepresentation
bin1000001010100110101…
…1010111011001010000
3111102002202020110200022
42002221223113121100
54244301112432432
6144240224443012
713064260346225
oct2025153273120
9442082213608
10140285670992
1154549670a75
1223231479468
13102c8b1399c
146b0b55194c
1539b0d4eb12
hex20a9ad7650

140285670992 has 40 divisors (see below), whose sum is σ = 286573027200. Its totient is φ = 66343318272.

The previous prime is 140285670949. The next prime is 140285670997. The reversal of 140285670992 is 299076582041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140285670997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186392 + ... + 561527.

It is an arithmetic number, because the mean of its divisors is an integer number (7164325680).

Almost surely, 2140285670992 is an apocalyptic number.

It is an amenable number.

140285670992 is an abundant number, since it is smaller than the sum of its proper divisors (146287356208).

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

140285670992 is a wasteful number, since it uses less digits than its factorization.

140285670992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 748563 (or 748557 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 53.

The spelling of 140285670992 in words is "one hundred forty billion, two hundred eighty-five million, six hundred seventy thousand, nine hundred ninety-two".

Divisors: 1 2 4 8 16 19 38 76 152 304 617 1234 2468 4936 9872 11723 23446 46892 93784 187568 747919 1495838 2991676 5983352 11966704 14210461 28420922 56841844 113683688 227367376 461466023 922932046 1845864092 3691728184 7383456368 8767854437 17535708874 35071417748 70142835496 140285670992