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1010148851780 = 225101500073689
BaseRepresentation
bin11101011001100011001…
…00000100000001000100
310120120101000021111212022
432230301210010001010
5113022241101224110
62052020031342312
7132660300366125
oct16546144040104
93516330244768
101010148851780
1135a446768502
12143934981998
1374344a72393
1436c6a27604c
151b422728755
hexeb31904044

1010148851780 has 24 divisors (see below), whose sum is σ = 2142315687960. Its totient is φ = 400058950400.

The previous prime is 1010148851737. The next prime is 1010148851791. The reversal of 1010148851780 is 871588410101.

It can be written as a sum of positive squares in 4 ways, for example, as 184420431364 + 825728420416 = 429442^2 + 908696^2 .

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, 250034825 + ... + 250038864.

It is an arithmetic number, because the mean of its divisors is an integer number (89263153665).

Almost surely, 21010148851780 is an apocalyptic number.

1010148851780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1010148851780 is an abundant number, since it is smaller than the sum of its proper divisors (1132166836180).

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

1010148851780 is a wasteful number, since it uses less digits than its factorization.

1010148851780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500073799 (or 500073797 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 44.

The spelling of 1010148851780 in words is "one trillion, ten billion, one hundred forty-eight million, eight hundred fifty-one thousand, seven hundred eighty".

Divisors: 1 2 4 5 10 20 101 202 404 505 1010 2020 500073689 1000147378 2000294756 2500368445 5000736890 10001473780 50507442589 101014885178 202029770356 252537212945 505074425890 1010148851780