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1057131360980 = 225346311526279
BaseRepresentation
bin11110110001000011111…
…00000111001011010100
310202001122022011021021122
433120201330013023110
5114310001112022410
62125350041503112
7136242462210452
oct17304174071324
93661568137248
101057131360980
11378366104002
12150a671a1a98
13788c1615596
1439245d299d2
151c772221e55
hexf621f072d4

1057131360980 has 24 divisors (see below), whose sum is σ = 2220041416320. Its totient is φ = 422840057120.

The previous prime is 1057131360959. The next prime is 1057131361009. The reversal of 1057131360980 is 890631317501.

1057131360980 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×10571313609802 (a number of 25 digits) contains 22 as substring.

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, 70520 + ... + 1455759.

It is an arithmetic number, because the mean of its divisors is an integer number (92501725680).

Almost surely, 21057131360980 is an apocalyptic number.

1057131360980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1057131360980 is an abundant number, since it is smaller than the sum of its proper divisors (1162910055340).

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

1057131360980 is a wasteful number, since it uses less digits than its factorization.

1057131360980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1560919 (or 1560917 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 44.

The spelling of 1057131360980 in words is "one trillion, fifty-seven billion, one hundred thirty-one million, three hundred sixty thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 34631 69262 138524 173155 346310 692620 1526279 3052558 6105116 7631395 15262790 30525580 52856568049 105713136098 211426272196 264282840245 528565680490 1057131360980