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38678403566748 = 22311293018208839
BaseRepresentation
bin10001100101101100001001…
…00000010100110010011100
312001221121201110002002010010
420302312010200110302130
520032201332303113443
6214132340250043220
711101264616521641
oct1062660440246234
9161847643062103
1038678403566748
1111362467518a40
124408173119510
13187748613b24a
1497a08aa01dc8
154711a9d33733
hex232d84814c9c

38678403566748 has 24 divisors (see below), whose sum is σ = 98454118170240. Its totient is φ = 11720728353520.

The previous prime is 38678403566723. The next prime is 38678403566807. The reversal of 38678403566748 is 84766530487683.

It is a self number, because there is not a number n which added to its sum of digits gives 38678403566748.

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, 146509104288 + ... + 146509104551.

It is an arithmetic number, because the mean of its divisors is an integer number (4102254923760).

Almost surely, 238678403566748 is an apocalyptic number.

It is an amenable number.

38678403566748 is an abundant number, since it is smaller than the sum of its proper divisors (59775714603492).

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

38678403566748 is a wasteful number, since it uses less digits than its factorization.

38678403566748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293018208857 (or 293018208855 counting only the distinct ones).

The product of its (nonzero) digits is 3901685760, while the sum is 75.

The spelling of 38678403566748 in words is "thirty-eight trillion, six hundred seventy-eight billion, four hundred three million, five hundred sixty-six thousand, seven hundred forty-eight".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 293018208839 586036417678 879054626517 1172072835356 1758109253034 3223200297229 3516218506068 6446400594458 9669600891687 12892801188916 19339201783374 38678403566748