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38506602340145 = 517609437351381
BaseRepresentation
bin10001100000101100001000…
…10110101001111100110001
312001100012021022202111121102
420300112010112221330301
520021343010144341040
6213521404445334145
711053003334300162
oct1060260426517461
9161305238674542
1038506602340145
11112a6616179645
12439aa07267355
131864206c84a04
14971a2da53769
1546b9a22db515
hex2305845a9f31

38506602340145 has 8 divisors (see below), whose sum is σ = 46210547022120. Its totient is φ = 30803532396160.

The previous prime is 38506602340133. The next prime is 38506602340177. The reversal of 38506602340145 is 54104320660583.

It can be written as a sum of positive squares in 4 ways, for example, as 16866233349904 + 21640368990241 = 4106852^2 + 4651921^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 38506602340145 - 212 = 38506602336049 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38506602340145.

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, 218587646 + ... + 218763735.

It is an arithmetic number, because the mean of its divisors is an integer number (5776318377765).

Almost surely, 238506602340145 is an apocalyptic number.

It is an amenable number.

38506602340145 is a deficient number, since it is larger than the sum of its proper divisors (7703944681975).

38506602340145 is a wasteful number, since it uses less digits than its factorization.

38506602340145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437368995.

The product of its (nonzero) digits is 2073600, while the sum is 47.

The spelling of 38506602340145 in words is "thirty-eight trillion, five hundred six billion, six hundred two million, three hundred forty thousand, one hundred forty-five".

Divisors: 1 5 17609 88045 437351381 2186756905 7701320468029 38506602340145