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10148072851 = 71449724693
BaseRepresentation
bin10010111001101111…
…10100110110010011
3222012020101111220001
421130313310312103
5131240401312401
64354552230431
7506323124140
oct113467646623
928166344801
1010148072851
114338360374
121b7269b417
13c59593147
146c3aa93c7
153e5dab601
hex25cdf4d93

10148072851 has 4 divisors (see below), whose sum is σ = 11597797552. Its totient is φ = 8698348152.

The previous prime is 10148072839. The next prime is 10148072861. The reversal of 10148072851 is 15827084101.

10148072851 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15827084101 = 26360179027.

It is a cyclic number.

It is not a de Polignac number, because 10148072851 - 27 = 10148072723 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10148072851.

It is not an unprimeable number, because it can be changed into a prime (10148072861) 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, 724862340 + ... + 724862353.

It is an arithmetic number, because the mean of its divisors is an integer number (2899449388).

Almost surely, 210148072851 is an apocalyptic number.

10148072851 is a deficient number, since it is larger than the sum of its proper divisors (1449724701).

10148072851 is an equidigital number, since it uses as much as digits as its factorization.

10148072851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1449724700.

The product of its (nonzero) digits is 17920, while the sum is 37.

The spelling of 10148072851 in words is "ten billion, one hundred forty-eight million, seventy-two thousand, eight hundred fifty-one".

Divisors: 1 7 1449724693 10148072851