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42154312700 = 22521955321559
BaseRepresentation
bin100111010000100101…
…111100001111111100
311000210210202221221202
4213100211330033330
51142313001001300
631210533115032
73021423513563
oct472045741774
9130723687852
1042154312700
1116972013065
128205488a78
133c8a4a87c6
14207c754bda
15116abcbad5
hex9d097c3fc

42154312700 has 36 divisors (see below), whose sum is σ = 91483780080. Its totient is φ = 16860080640.

The previous prime is 42154312693. The next prime is 42154312763. The reversal of 42154312700 is 721345124.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1944521 + ... + 1966079.

Almost surely, 242154312700 is an apocalyptic number.

It is an amenable number.

42154312700 is an abundant number, since it is smaller than the sum of its proper divisors (49329467380).

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

42154312700 is a wasteful number, since it uses less digits than its factorization.

42154312700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41126 (or 41119 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

Adding to 42154312700 its reverse (721345124), we get a palindrome (42875657824).

The spelling of 42154312700 in words is "forty-two billion, one hundred fifty-four million, three hundred twelve thousand, seven hundred".

Divisors: 1 2 4 5 10 20 25 50 100 19553 21559 39106 43118 78212 86236 97765 107795 195530 215590 391060 431180 488825 538975 977650 1077950 1955300 2155900 421543127 843086254 1686172508 2107715635 4215431270 8430862540 10538578175 21077156350 42154312700