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1252145024130 = 2357111347987049
BaseRepresentation
bin10010001110001001101…
…010001100110010000010
311102201000010202210112110
4102032021222030302002
5131003343111233010
62355121045240150
7156315215044320
oct22161152146202
94381003683473
101252145024130
1144303924a560
12182810a03056
13910cc87ab80
1444865aa4d10
1522887a3d120
hex12389a8cc82

1252145024130 has 256 divisors, whose sum is σ = 4043354112000. Its totient is φ = 239667517440.

The previous prime is 1252145024113. The next prime is 1252145024219. The reversal of 1252145024130 is 314205412521.

It is a super-2 number, since 2×12521450241302 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 14340846 + ... + 14427894.

It is an arithmetic number, because the mean of its divisors is an integer number (15794352000).

Almost surely, 21252145024130 is an apocalyptic number.

1252145024130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1252145024130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2021677056000).

1252145024130 is an abundant number, since it is smaller than the sum of its proper divisors (2791209087870).

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

1252145024130 is a wasteful number, since it uses less digits than its factorization.

1252145024130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87569.

The product of its (nonzero) digits is 9600, while the sum is 30.

The spelling of 1252145024130 in words is "one trillion, two hundred fifty-two billion, one hundred forty-five million, twenty-four thousand, one hundred thirty".