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38818887437708 = 2271781552284533
BaseRepresentation
bin10001101001110001110011…
…11111110000110110001100
312002110001100000021011000222
420310320321333300312030
520042002040141001313
6214321052315010512
711114400134650520
oct1064707177606614
9162401300234028
1038818887437708
1111406aa7a52534
12442b43aa39a38
1318877b4028b01
14982bb65c7d80
15474b7d284208
hex234e39ff0d8c

38818887437708 has 24 divisors (see below), whose sum is σ = 82204702810272. Its totient is φ = 15658038630144.

The previous prime is 38818887437699. The next prime is 38818887437711. The reversal of 38818887437708 is 80773478881883.

It is a happy 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, 40776141791 + ... + 40776142742.

It is an arithmetic number, because the mean of its divisors is an integer number (3425195950428).

Almost surely, 238818887437708 is an apocalyptic number.

It is an amenable number.

38818887437708 is an abundant number, since it is smaller than the sum of its proper divisors (43385815372564).

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

38818887437708 is a wasteful number, since it uses less digits than its factorization.

38818887437708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81552284561 (or 81552284559 counting only the distinct ones).

The product of its (nonzero) digits is 3236954112, while the sum is 80.

The spelling of 38818887437708 in words is "thirty-eight trillion, eight hundred eighteen billion, eight hundred eighty-seven million, four hundred thirty-seven thousand, seven hundred eight".

Divisors: 1 2 4 7 14 17 28 34 68 119 238 476 81552284533 163104569066 326209138132 570865991731 1141731983462 1386388837061 2283463966924 2772777674122 5545555348244 9704721859427 19409443718854 38818887437708