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3678401045 = 511193739437
BaseRepresentation
bin1101101100111111…
…1111001000010101
3100111100120010121202
43123033333020111
530013132313140
61405000522245
7160103615204
oct33317771025
910440503552
103678401045
1116183a8170
12867a80385
13468100787
1426c75b23b
15167deb915
hexdb3ff215

3678401045 has 32 divisors (see below), whose sum is σ = 5082929280. Its totient is φ = 2527338240.

The previous prime is 3678401039. The next prime is 3678401047. The reversal of 3678401045 is 5401048763.

It is not a de Polignac number, because 3678401045 - 26 = 3678400981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3678401047) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 385067 + ... + 394503.

It is an arithmetic number, because the mean of its divisors is an integer number (158841540).

Almost surely, 23678401045 is an apocalyptic number.

It is an amenable number.

3678401045 is a deficient number, since it is larger than the sum of its proper divisors (1404528235).

3678401045 is a wasteful number, since it uses less digits than its factorization.

3678401045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9845.

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 3678401045 is about 60649.8231242268. The cubic root of 3678401045 is about 1543.6648876568.

The spelling of 3678401045 in words is "three billion, six hundred seventy-eight million, four hundred one thousand, forty-five".

Divisors: 1 5 11 19 55 95 209 373 1045 1865 4103 7087 9437 20515 35435 47185 77957 103807 179303 389785 519035 896515 1972333 3520001 9861665 17600005 38720011 66880019 193600055 334400095 735680209 3678401045