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70731829744 = 248215384579
BaseRepresentation
bin100000111011111110…
…0100001000111110000
320202120102102020112221
41001313330201013300
52124324322022434
652254352330424
75052541430032
oct1016774410760
9222512366487
1070731829744
1127aa7301644
121185bb43a14
136892c4c7c4
1435cdcb7c52
151c8e9be2b4
hex1077f211f0

70731829744 has 20 divisors (see below), whose sum is σ = 137209867560. Its totient is φ = 35322831680.

The previous prime is 70731829741. The next prime is 70731829769. The reversal of 70731829744 is 44792813707.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 70731829691 and 70731829700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70731829741) 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, 2679154 + ... + 2705425.

It is an arithmetic number, because the mean of its divisors is an integer number (6860493378).

Almost surely, 270731829744 is an apocalyptic number.

It is an amenable number.

70731829744 is a deficient number, since it is larger than the sum of its proper divisors (66478037816).

70731829744 is a wasteful number, since it uses less digits than its factorization.

70731829744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5385408 (or 5385402 counting only the distinct ones).

The product of its (nonzero) digits is 2370816, while the sum is 52.

The spelling of 70731829744 in words is "seventy billion, seven hundred thirty-one million, eight hundred twenty-nine thousand, seven hundred forty-four".

Divisors: 1 2 4 8 16 821 1642 3284 6568 13136 5384579 10769158 21538316 43076632 86153264 4420739359 8841478718 17682957436 35365914872 70731829744