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7042874894 = 21119472111699
BaseRepresentation
bin1101000111100100…
…11011111000001110
3200011211102010002022
412203302123320032
5103410433444034
63122505130142
7336346306646
oct64362337016
920154363068
107042874894
112a94579170
121446789952
138831681c3
144ab51b526
152b3487b2e
hex1a3c9be0e

7042874894 has 64 divisors (see below), whose sum is σ = 12455424000. Its totient is φ = 2952482400.

The previous prime is 7042874893. The next prime is 7042874929. The reversal of 7042874894 is 4984782407.

It is a super-2 number, since 2×70428748942 = 99204173545071022472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7042874893) 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, 4144457 + ... + 4146155.

It is an arithmetic number, because the mean of its divisors is an integer number (194616000).

Almost surely, 27042874894 is an apocalyptic number.

7042874894 is a deficient number, since it is larger than the sum of its proper divisors (5412549106).

7042874894 is a wasteful number, since it uses less digits than its factorization.

7042874894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1989.

The product of its (nonzero) digits is 3612672, while the sum is 53.

The square root of 7042874894 is about 83921.8380041810. The cubic root of 7042874894 is about 1916.8287941427.

The spelling of 7042874894 in words is "seven billion, forty-two million, eight hundred seventy-four thousand, eight hundred ninety-four".

Divisors: 1 2 11 19 22 38 47 94 209 211 418 422 517 893 1034 1699 1786 2321 3398 4009 4642 8018 9823 9917 18689 19646 19834 32281 37378 44099 64562 79853 88198 109087 159706 188423 218174 355091 358489 376846 710182 716978 878383 1517207 1756766 2072653 3034414 3943379 4145306 6811291 7886758 13622582 16689277 16848983 33378554 33697966 74924201 149848402 185338813 320130677 370677626 640261354 3521437447 7042874894