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61214117384 = 2374212596459
BaseRepresentation
bin111001000000101001…
…010100111000001000
312212000010011100200202
4321000221110320020
52000331303224014
644042114551332
74264641261350
oct710051247010
9185003140622
1061214117384
1123a62856462
12ba44598548
135a07155344
142d69c19b60
1518d412b3de
hexe40a54e08

61214117384 has 32 divisors (see below), whose sum is σ = 131484734400. Its totient is φ = 26172296640.

The previous prime is 61214117359. The next prime is 61214117387. The reversal of 61214117384 is 48371141216.

It is a super-4 number, since 4×612141173844 (a number of 44 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (61214117387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1274654 + ... + 1321805.

It is an arithmetic number, because the mean of its divisors is an integer number (4108897950).

Almost surely, 261214117384 is an apocalyptic number.

It is an amenable number.

61214117384 is an abundant number, since it is smaller than the sum of its proper divisors (70270617016).

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

61214117384 is a wasteful number, since it uses less digits than its factorization.

61214117384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2596893 (or 2596889 counting only the distinct ones).

The product of its digits is 32256, while the sum is 38.

The spelling of 61214117384 in words is "sixty-one billion, two hundred fourteen million, one hundred seventeen thousand, three hundred eighty-four".

Divisors: 1 2 4 7 8 14 28 56 421 842 1684 2947 3368 5894 11788 23576 2596459 5192918 10385836 18175213 20771672 36350426 72700852 145401704 1093109239 2186218478 4372436956 7651764673 8744873912 15303529346 30607058692 61214117384