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1038605213028 = 223442791954661
BaseRepresentation
bin11110001110100011011…
…00011101110101100100
310200021211011221102221210
433013101230131311210
5114004030413304103
62113043442111420
7135015414435345
oct17072154356544
93607734842853
101038605213028
11370519625929
1214935694b570
1376c2b3a6366
14383a969c0cc
151c03aa87e03
hexf1d1b1dd64

1038605213028 has 24 divisors (see below), whose sum is σ = 2423468134080. Its totient is φ = 346193741920.

The previous prime is 1038605213011. The next prime is 1038605213029. The reversal of 1038605213028 is 8203125068301.

It is not an unprimeable number, because it can be changed into a prime (1038605213029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 445983 + ... + 1508678.

It is an arithmetic number, because the mean of its divisors is an integer number (100977838920).

Almost surely, 21038605213028 is an apocalyptic number.

It is an amenable number.

1038605213028 is an abundant number, since it is smaller than the sum of its proper divisors (1384862921052).

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

1038605213028 is a wasteful number, since it uses less digits than its factorization.

1038605213028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1998947 (or 1998945 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 39.

It can be divided in two parts, 10386052 and 13028, that added together give a triangular number (10399080 = T4560).

The spelling of 1038605213028 in words is "one trillion, thirty-eight billion, six hundred five million, two hundred thirteen thousand, twenty-eight".

Divisors: 1 2 3 4 6 12 44279 88558 132837 177116 265674 531348 1954661 3909322 5863983 7818644 11727966 23455932 86550434419 173100868838 259651303257 346201737676 519302606514 1038605213028