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3780688045 = 51927339233
BaseRepresentation
bin1110000101011000…
…1011100010101101
3100202111000212000011
43201112023202231
530220324004140
61423053133221
7162455214061
oct34126134255
910674025004
103780688045
111670110982
1289618a211
13483365224
1427c185aa1
15171da3cea
hexe158b8ad

3780688045 has 8 divisors (see below), whose sum is σ = 4537176696. Its totient is φ = 3024316416.

The previous prime is 3780688013. The next prime is 3780688091. The reversal of 3780688045 is 5408860873.

3780688045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 34880836 + 3745807209 = 5906^2 + 61203^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3780688045 - 25 = 3780688013 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3780688045.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76749 + ... + 115981.

It is an arithmetic number, because the mean of its divisors is an integer number (567147087).

Almost surely, 23780688045 is an apocalyptic number.

It is an amenable number.

3780688045 is a deficient number, since it is larger than the sum of its proper divisors (756488651).

3780688045 is a wasteful number, since it uses less digits than its factorization.

3780688045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58511.

The product of its (nonzero) digits is 1290240, while the sum is 49.

The square root of 3780688045 is about 61487.2998675336. The cubic root of 3780688045 is about 1557.8427398902.

The spelling of 3780688045 in words is "three billion, seven hundred eighty million, six hundred eighty-eight thousand, forty-five".

Divisors: 1 5 19273 39233 96365 196165 756137609 3780688045