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40701693679 = 1271531320929
BaseRepresentation
bin100101111010000000…
…101000111011101111
310220001120102021021021
4211322000220323233
51131324113144204
630410442315011
72640424454653
oct457200507357
9126046367237
1040701693679
1116297054979
127a7aab8a67
133ab856581a
141d81866a63
1510d33e1154
hex97a028eef

40701693679 has 8 divisors (see below), whose sum is σ = 41026818560. Its totient is φ = 40376641536.

The previous prime is 40701693677. The next prime is 40701693763. The reversal of 40701693679 is 97639610704.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40701693679 - 21 = 40701693677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40701693677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1934287 + ... + 1955215.

It is an arithmetic number, because the mean of its divisors is an integer number (5128352320).

Almost surely, 240701693679 is an apocalyptic number.

40701693679 is a deficient number, since it is larger than the sum of its proper divisors (325124881).

40701693679 is a wasteful number, since it uses less digits than its factorization.

40701693679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36369.

The product of its (nonzero) digits is 1714608, while the sum is 52.

The spelling of 40701693679 in words is "forty billion, seven hundred one million, six hundred ninety-three thousand, six hundred seventy-nine".

Divisors: 1 127 15313 20929 1944751 2657983 320485777 40701693679