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3680768015 = 52943158897
BaseRepresentation
bin1101101101100100…
…0001000000001111
3100111112000101111022
43123121001000033
530014234034030
61405123344355
7160133004041
oct33331010017
910445011438
103680768015
111619774541
128688220bb
1346874bc52
1426cbb5a91
15168217de5
hexdb64100f

3680768015 has 16 divisors (see below), whose sum is σ = 4579908480. Its totient is φ = 2836431360.

The previous prime is 3680767969. The next prime is 3680768033. The reversal of 3680768015 is 5108670863.

It is not a de Polignac number, because 3680768015 - 226 = 3613659151 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33047 + ... + 91943.

It is an arithmetic number, because the mean of its divisors is an integer number (286244280).

Almost surely, 23680768015 is an apocalyptic number.

3680768015 is a deficient number, since it is larger than the sum of its proper divisors (899140465).

3680768015 is a wasteful number, since it uses less digits than its factorization.

3680768015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59362.

The product of its (nonzero) digits is 241920, while the sum is 44.

The square root of 3680768015 is about 60669.3333983488. Note that the first 4 decimals coincide. The cubic root of 3680768015 is about 1543.9959214401.

The spelling of 3680768015 in words is "three billion, six hundred eighty million, seven hundred sixty-eight thousand, fifteen".

Divisors: 1 5 29 145 431 2155 12499 58897 62495 294485 1708013 8540065 25384607 126923035 736153603 3680768015