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10245404551 = 31210661191
BaseRepresentation
bin10011000101010110…
…00111011110000111
3222110000112110212211
421202223013132013
5131440310421201
64412350324251
7511614334054
oct114253073607
928400473784
1010245404551
11438829a098
121b9b1b9687
13c737b1275
146d29a402b
153ee6d5651
hex262ac7787

10245404551 has 6 divisors (see below), whose sum is σ = 10586563656. Its totient is φ = 9914906700.

The previous prime is 10245404537. The next prime is 10245404567. The reversal of 10245404551 is 15540454201.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2k-10245404551 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10245404581) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5329635 + ... + 5331556.

It is an arithmetic number, because the mean of its divisors is an integer number (1764427276).

Almost surely, 210245404551 is an apocalyptic number.

10245404551 is a deficient number, since it is larger than the sum of its proper divisors (341159105).

10245404551 is an equidigital number, since it uses as much as digits as its factorization.

10245404551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10661253 (or 10661222 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 31.

Adding to 10245404551 its reverse (15540454201), we get a palindrome (25785858752).

The spelling of 10245404551 in words is "ten billion, two hundred forty-five million, four hundred four thousand, five hundred fifty-one".

Divisors: 1 31 961 10661191 330496921 10245404551