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641272798034 = 21129148763547
BaseRepresentation
bin10010101010011101101…
…01100101101101010010
32021022020101220102122122
421111032311211231102
541001311314014114
61210332513334242
764221223563161
oct11251665455522
92238211812578
10641272798034
11227a6485a640
12a4348b67382
13486196124ab
14230758d13d8
1511a3346ee8e
hex954ed65b52

641272798034 has 8 divisors (see below), whose sum is σ = 1049355487728. Its totient is φ = 291487635460.

The previous prime is 641272798031. The next prime is 641272798039. The reversal of 641272798034 is 430897272146.

It is a happy number.

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

It is a super-3 number, since 3×6412727980343 (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (641272798031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14574381752 + ... + 14574381795.

It is an arithmetic number, because the mean of its divisors is an integer number (131169435966).

Almost surely, 2641272798034 is an apocalyptic number.

641272798034 is a deficient number, since it is larger than the sum of its proper divisors (408082689694).

641272798034 is a wasteful number, since it uses less digits than its factorization.

641272798034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29148763560.

The product of its (nonzero) digits is 4064256, while the sum is 53.

The spelling of 641272798034 in words is "six hundred forty-one billion, two hundred seventy-two million, seven hundred ninety-eight thousand, thirty-four".

Divisors: 1 2 11 22 29148763547 58297527094 320636399017 641272798034