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6801251045956 = 2212375011373989
BaseRepresentation
bin110001011111000101000…
…1001110001001001000100
3220002012012212202000022021
41202332022021301021010
51342412430231432311
622244241313412524
71301242225013413
oct142761211611104
926065185660267
106801251045956
1121924379a8524
1291a16526a144
133a4480564143
1419727a37147a
15bbdb1eea171
hex62f8a271244

6801251045956 has 12 divisors (see below), whose sum is σ = 11902207610860. Its totient is φ = 3400620300000.

The previous prime is 6801251045893. The next prime is 6801251045957. The reversal of 6801251045956 is 6595401521086.

It can be written as a sum of positive squares in 2 ways, for example, as 3676077636100 + 3125173409856 = 1917310^2 + 1767816^2 .

It is a super-3 number, since 3×68012510459563 (a number of 39 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (6801251045957) 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, 4263010 + ... + 5636998.

Almost surely, 26801251045956 is an apocalyptic number.

It is an amenable number.

6801251045956 is a deficient number, since it is larger than the sum of its proper divisors (5100956564904).

6801251045956 is a wasteful number, since it uses less digits than its factorization.

6801251045956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2611494 (or 2611492 counting only the distinct ones).

The product of its (nonzero) digits is 2592000, while the sum is 52.

The spelling of 6801251045956 in words is "six trillion, eight hundred one billion, two hundred fifty-one million, forty-five thousand, nine hundred fifty-six".

Divisors: 1 2 4 1237501 1373989 2475002 2747978 4950004 5495956 1700312761489 3400625522978 6801251045956