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7474785045 = 3571326920357
BaseRepresentation
bin1101111011000100…
…00010101100010101
3201021221010102102120
412331202002230111
5110302021110140
63233414330153
7353142424140
oct67542025425
921257112376
107474785045
113196359702
121547359959
139217a0040
1450ca2b057
152db3511d0
hex1bd882b15

7474785045 has 64 divisors (see below), whose sum is σ = 14775022080. Its totient is φ = 3142315008.

The previous prime is 7474785037. The next prime is 7474785053. The reversal of 7474785045 is 5405874747.

7474785045 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (7474785037) and next prime (7474785053).

It is not a de Polignac number, because 7474785045 - 23 = 7474785037 is a prime.

It is a super-2 number, since 2×74747850452 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 357007 + ... + 377363.

It is an arithmetic number, because the mean of its divisors is an integer number (230859720).

Almost surely, 27474785045 is an apocalyptic number.

It is an amenable number.

7474785045 is a deficient number, since it is larger than the sum of its proper divisors (7300237035).

7474785045 is a wasteful number, since it uses less digits than its factorization.

7474785045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20654.

The product of its (nonzero) digits is 4390400, while the sum is 51.

The square root of 7474785045 is about 86456.8392031538. The cubic root of 7474785045 is about 1955.2377307423.

The spelling of 7474785045 in words is "seven billion, four hundred seventy-four million, seven hundred eighty-five thousand, forty-five".

Divisors: 1 3 5 7 13 15 21 35 39 65 91 105 195 269 273 455 807 1345 1365 1883 3497 4035 5649 9415 10491 17485 20357 24479 28245 52455 61071 73437 101785 122395 142499 264641 305355 367185 427497 712495 793923 1323205 1852487 2137485 3969615 5476033 5557461 9262435 16428099 27380165 27787305 38332231 71188429 82140495 114996693 191661155 213565287 355942145 498319003 574983465 1067826435 1494957009 2491595015 7474785045