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1248116340931 = 43267231086179
BaseRepresentation
bin10010001010011001100…
…001111111100011000011
311102022121101002111010121
4102022121201333203003
5130422120240402211
62353213212441111
7156113325565255
oct22123141774303
94368541074117
101248116340931
11441361155209
12181a87779197
139090a025965
14445a2a05cd5
15226edeee271
hex1229987f8c3

1248116340931 has 8 divisors (see below), whose sum is σ = 1277191270080. Its totient is φ = 1219043637672.

The previous prime is 1248116340917. The next prime is 1248116340937. The reversal of 1248116340931 is 1390436118421.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1248116340931 is a prime.

It is a super-2 number, since 2×12481163409312 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is not an unprimeable number, because it can be changed into a prime (1248116340937) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 606000 + ... + 1692178.

It is an arithmetic number, because the mean of its divisors is an integer number (159648908760).

Almost surely, 21248116340931 is an apocalyptic number.

1248116340931 is a deficient number, since it is larger than the sum of its proper divisors (29074929149).

1248116340931 is a wasteful number, since it uses less digits than its factorization.

1248116340931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1112945.

The product of its (nonzero) digits is 124416, while the sum is 43.

The spelling of 1248116340931 in words is "one trillion, two hundred forty-eight billion, one hundred sixteen million, three hundred forty thousand, nine hundred thirty-one".

Divisors: 1 43 26723 1086179 1149089 46705697 29025961417 1248116340931