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42315524540 = 2256833097769
BaseRepresentation
bin100111011010001100…
…111010100110111100
311001020001010101000122
4213122030322212330
51143130233241130
631234532314112
73025422011132
oct473214724674
9131201111018
1042315524540
1116a45012993
12824b472938
133cb4a01a23
142095d1b752
151179e232e5
hex9da33a9bc

42315524540 has 24 divisors (see below), whose sum is σ = 88992736560. Its totient is φ = 16901422208.

The previous prime is 42315524539. The next prime is 42315524543. The reversal of 42315524540 is 4542551324.

It is a self number, because there is not a number n which added to its sum of digits gives 42315524540.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42315524543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1535225 + ... + 1562544.

It is an arithmetic number, because the mean of its divisors is an integer number (3708030690).

Almost surely, 242315524540 is an apocalyptic number.

It is an amenable number.

42315524540 is an abundant number, since it is smaller than the sum of its proper divisors (46677212020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42315524540 is a wasteful number, since it uses less digits than its factorization.

42315524540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3098461 (or 3098459 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 35.

The spelling of 42315524540 in words is "forty-two billion, three hundred fifteen million, five hundred twenty-four thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 683 1366 2732 3415 6830 13660 3097769 6195538 12391076 15488845 30977690 61955380 2115776227 4231552454 8463104908 10578881135 21157762270 42315524540