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1031508070494 = 231123679517833
BaseRepresentation
bin11110000001010101010…
…11000001000001011110
310122121111120102020122220
433000222223001001132
5113400012031223434
62105511313450210
7134344505634606
oct17005253010136
93577446366586
101031508070494
11368507461680
12147ab5b70966
1376369c1a435
1437cd4c95c06
151bc72980d49
hexf02aac105e

1031508070494 has 32 divisors (see below), whose sum is σ = 2348413634304. Its totient is φ = 298987846080.

The previous prime is 1031508070441. The next prime is 1031508070499. The reversal of 1031508070494 is 4940708051301.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031508070499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 339757399 + ... + 339760434.

It is an arithmetic number, because the mean of its divisors is an integer number (73387926072).

Almost surely, 21031508070494 is an apocalyptic number.

1031508070494 is an abundant number, since it is smaller than the sum of its proper divisors (1316905563810).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1031508070494 is a wasteful number, since it uses less digits than its factorization.

1031508070494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679517872.

The product of its (nonzero) digits is 120960, while the sum is 42.

The spelling of 1031508070494 in words is "one trillion, thirty-one billion, five hundred eight million, seventy thousand, four hundred ninety-four".

Divisors: 1 2 3 6 11 22 23 33 46 66 69 138 253 506 759 1518 679517833 1359035666 2038553499 4077106998 7474696163 14949392326 15628910159 22424088489 31257820318 44848176978 46886730477 93773460954 171918011749 343836023498 515754035247 1031508070494