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1250763130 = 25125076313
BaseRepresentation
bin100101010001101…
…0010000101111010
310020011112100110101
41022203102011322
510030143410010
6324040110014
742665211511
oct11243220572
93204470411
101250763130
11592028941
122aaa6530a
1316c189036
14bc185678
1574c1673a
hex4a8d217a

1250763130 has 8 divisors (see below), whose sum is σ = 2251373652. Its totient is φ = 500305248.

The previous prime is 1250763121. The next prime is 1250763131. The reversal of 1250763130 is 313670521.

It can be written as a sum of positive squares in 2 ways, for example, as 1199167641 + 51595489 = 34629^2 + 7183^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1250763131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62538147 + ... + 62538166.

Almost surely, 21250763130 is an apocalyptic number.

1250763130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1250763130 is a deficient number, since it is larger than the sum of its proper divisors (1000610522).

1250763130 is a wasteful number, since it uses less digits than its factorization.

1250763130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125076320.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 1250763130 is about 35366.1297006048. The cubic root of 1250763130 is about 1077.4365155865.

The spelling of 1250763130 in words is "one billion, two hundred fifty million, seven hundred sixty-three thousand, one hundred thirty".

Divisors: 1 2 5 10 125076313 250152626 625381565 1250763130