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1002431012442 = 233716937266603
BaseRepresentation
bin11101001011001011000…
…10110101111001011010
310112211110010210122121220
432211211202311321122
5112410434314344232
62044302131312510
7132265114005606
oct16454542657132
93484403718556
101002431012442
1135714619a592
1214234014b736
13736b4b22242
143673725a506
151b11edb642c
hexe9658b5e5a

1002431012442 has 32 divisors (see below), whose sum is σ = 2059176779712. Its totient is φ = 325092345984.

The previous prime is 1002431012441. The next prime is 1002431012447. The reversal of 1002431012442 is 2442101342001.

It is not an unprimeable number, because it can be changed into a prime (1002431012441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3626713 + ... + 3893315.

It is an arithmetic number, because the mean of its divisors is an integer number (64349274366).

Almost surely, 21002431012442 is an apocalyptic number.

1002431012442 is an abundant number, since it is smaller than the sum of its proper divisors (1056745767270).

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

1002431012442 is a wasteful number, since it uses less digits than its factorization.

1002431012442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283582.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 1002431012442 its reverse (2442101342001), we get a palindrome (3444532354443).

The spelling of 1002431012442 in words is "one trillion, two billion, four hundred thirty-one million, twelve thousand, four hundred forty-two".

Divisors: 1 2 3 6 37 74 111 222 16937 33874 50811 101622 266603 533206 626669 799809 1253338 1599618 1880007 3760014 9864311 19728622 29592933 59185866 4515455011 9030910022 13546365033 27092730066 167071835407 334143670814 501215506221 1002431012442