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38340054638380 = 22511174272975629
BaseRepresentation
bin10001011011110101111010…
…10101100101111100101100
312000202021101022212122100201
420231322331111211330230
520011130412441412010
6213313102234203244
711034656203215355
oct1055727525457454
9160667338778321
1038340054638380
1111241a20358210
124372686883524
1318515b4334c61
149679506bcd2c
154674a5ac923a
hex22debd565f2c

38340054638380 has 24 divisors (see below), whose sum is σ = 87833579717520. Its totient is φ = 13941838050240.

The previous prime is 38340054638351. The next prime is 38340054638399. The reversal of 38340054638380 is 8383645004383.

It is a Harshad number since it is a multiple of its sum of digits (55).

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, 87136487595 + ... + 87136488034.

It is an arithmetic number, because the mean of its divisors is an integer number (3659732488230).

Almost surely, 238340054638380 is an apocalyptic number.

It is an amenable number.

38340054638380 is an abundant number, since it is smaller than the sum of its proper divisors (49493525079140).

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

38340054638380 is a wasteful number, since it uses less digits than its factorization.

38340054638380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174272975649 (or 174272975647 counting only the distinct ones).

The product of its (nonzero) digits is 19906560, while the sum is 55.

The spelling of 38340054638380 in words is "thirty-eight trillion, three hundred forty billion, fifty-four million, six hundred thirty-eight thousand, three hundred eighty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 174272975629 348545951258 697091902516 871364878145 1742729756290 1917002731919 3485459512580 3834005463838 7668010927676 9585013659595 19170027319190 38340054638380