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64743034746 = 23131018218207
BaseRepresentation
bin111100010010111111…
…000100111101111010
320012010001102221020210
4330102333010331322
52030043204102441
645424215531550
74451251500225
oct742277047572
9205101387223
1064743034746
1125503834295
121066a389bb6
13614a2a7c20
1431c27845bc
151a3dd4b616
hexf12fc4f7a

64743034746 has 32 divisors (see below), whose sum is σ = 140827212288. Its totient is φ = 19723694400.

The previous prime is 64743034723. The next prime is 64743034747.

64743034746 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 64743034695 and 64743034704.

It is not an unprimeable number, because it can be changed into a prime (64743034747) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4101226 + ... + 4116981.

It is an arithmetic number, because the mean of its divisors is an integer number (4400850384).

Almost surely, 264743034746 is an apocalyptic number.

64743034746 is an abundant number, since it is smaller than the sum of its proper divisors (76084177542).

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

64743034746 is a wasteful number, since it uses less digits than its factorization.

64743034746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8218326.

The product of its (nonzero) digits is 4064256, while the sum is 48.

The spelling of 64743034746 in words is "sixty-four billion, seven hundred forty-three million, thirty-four thousand, seven hundred forty-six".

Divisors: 1 2 3 6 13 26 39 78 101 202 303 606 1313 2626 3939 7878 8218207 16436414 24654621 49309242 106836691 213673382 320510073 641020146 830038907 1660077814 2490116721 4980233442 10790505791 21581011582 32371517373 64743034746