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42909998748 = 22331115349459
BaseRepresentation
bin100111111101101000…
…101001111010011100
311002202110201210022220
4213331220221322130
51200334424424443
631413530105340
73046230654111
oct477550517234
9132673653286
1042909998748
111721a637191
12839657b250
13407ac14406
142110c66908
1511b21eda83
hex9fda29e9c

42909998748 has 24 divisors (see below), whose sum is σ = 103353116160. Its totient is φ = 13841934960.

The previous prime is 42909998731. The next prime is 42909998767. The reversal of 42909998748 is 84789990924.

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, 57674358 + ... + 57675101.

It is an arithmetic number, because the mean of its divisors is an integer number (4306379840).

Almost surely, 242909998748 is an apocalyptic number.

It is an amenable number.

42909998748 is an abundant number, since it is smaller than the sum of its proper divisors (60443117412).

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

42909998748 is a wasteful number, since it uses less digits than its factorization.

42909998748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115349497 (or 115349495 counting only the distinct ones).

The product of its (nonzero) digits is 94058496, while the sum is 69.

The spelling of 42909998748 in words is "forty-two billion, nine hundred nine million, nine hundred ninety-eight thousand, seven hundred forty-eight".

Divisors: 1 2 3 4 6 12 31 62 93 124 186 372 115349459 230698918 346048377 461397836 692096754 1384193508 3575833229 7151666458 10727499687 14303332916 21454999374 42909998748