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1025720151713 = 1397379281667
BaseRepresentation
bin11101110110100011010…
…11110110111010100001
310122001120012102111201122
432323101223312322201
5113301133324323323
62103113114342025
7134051205302045
oct16732153667241
93561505374648
101025720151713
11366007315624
1214695b72a915
1375956a7891a
14379062d2025
151ba3478bec8
hexeed1af6ea1

1025720151713 has 4 divisors (see below), whose sum is σ = 1033099433520. Its totient is φ = 1018340869908.

The previous prime is 1025720151707. The next prime is 1025720151727. The reversal of 1025720151713 is 3171510275201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1025720151713 - 24 = 1025720151697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1025720151733) 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, 3689640695 + ... + 3689640972.

It is an arithmetic number, because the mean of its divisors is an integer number (258274858380).

Almost surely, 21025720151713 is an apocalyptic number.

It is an amenable number.

1025720151713 is a deficient number, since it is larger than the sum of its proper divisors (7379281807).

1025720151713 is an equidigital number, since it uses as much as digits as its factorization.

1025720151713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7379281806.

The product of its (nonzero) digits is 14700, while the sum is 35.

The spelling of 1025720151713 in words is "one trillion, twenty-five billion, seven hundred twenty million, one hundred fifty-one thousand, seven hundred thirteen".

Divisors: 1 139 7379281667 1025720151713