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42694484540 = 2258325719569
BaseRepresentation
bin100111110000110010…
…100010001000111100
311002012110012112102012
4213300302202020330
51144414242001130
631340310550352
73041003062601
oct476062421074
9132173175365
1042694484540
1117119a18174
1283363683b8
134045387706
1420d03a66a8
15119d32c995
hex9f0ca223c

42694484540 has 24 divisors (see below), whose sum is σ = 90738642960. Its totient is φ = 16872036608.

The previous prime is 42694484537. The next prime is 42694484587. The reversal of 42694484540 is 4548449624.

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, 12858125 + ... + 12861444.

It is an arithmetic number, because the mean of its divisors is an integer number (3780776790).

Almost surely, 242694484540 is an apocalyptic number.

It is an amenable number.

42694484540 is an abundant number, since it is smaller than the sum of its proper divisors (48044158420).

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

42694484540 is a wasteful number, since it uses less digits than its factorization.

42694484540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25719661 (or 25719659 counting only the distinct ones).

The product of its (nonzero) digits is 4423680, while the sum is 50.

The spelling of 42694484540 in words is "forty-two billion, six hundred ninety-four million, four hundred eighty-four thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 83 166 332 415 830 1660 25719569 51439138 102878276 128597845 257195690 514391380 2134724227 4269448454 8538896908 10673621135 21347242270 42694484540