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64123941382 = 232061970691
BaseRepresentation
bin111011101110000101…
…011011001000000110
320010111220111201210221
4323232011123020012
52022311212111012
645242542334554
74430023336264
oct735605331006
9203456451727
1064123941382
1125216325286
1210516b8a45a
13607bc557a7
14316446b434
151a0480b507
hexeee15b206

64123941382 has 4 divisors (see below), whose sum is σ = 96185912076. Its totient is φ = 32061970690.

The previous prime is 64123941361. The next prime is 64123941403. The reversal of 64123941382 is 28314932146.

64123941382 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (64123941361) and next prime (64123941403).

It is a super-2 number, since 2×641239413822 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16030985344 + ... + 16030985347.

It is an arithmetic number, because the mean of its divisors is an integer number (24046478019).

Almost surely, 264123941382 is an apocalyptic number.

64123941382 is a deficient number, since it is larger than the sum of its proper divisors (32061970694).

64123941382 is a wasteful number, since it uses less digits than its factorization.

64123941382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32061970693.

The product of its digits is 248832, while the sum is 43.

The spelling of 64123941382 in words is "sixty-four billion, one hundred twenty-three million, nine hundred forty-one thousand, three hundred eighty-two".

Divisors: 1 2 32061970691 64123941382