Search a number
-
+
1002345023431 = 7934736564587
BaseRepresentation
bin11101001011000000110…
…10110100011111000111
310112211020010222221212201
432211200122310133013
5112410300311222211
62044245420255331
7132263021060023
oct16454032643707
93484203887781
101002345023431
113571016a8794
121423173a1547
13736a0075b7b
1436729a75383
151b11757d0c1
hexe9606b47c7

1002345023431 has 8 divisors (see below), whose sum is σ = 1017958129920. Its totient is φ = 986805046968.

The previous prime is 1002345023417. The next prime is 1002345023441. The reversal of 1002345023431 is 1343205432001.

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 not a de Polignac number, because 1002345023431 - 25 = 1002345023399 is a prime.

It is a super-2 number, since 2×10023450234312 (a number of 25 digits) contains 22 as substring.

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 1002345023431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002345023401) 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, 18254881 + ... + 18309706.

It is an arithmetic number, because the mean of its divisors is an integer number (127244766240).

Almost surely, 21002345023431 is an apocalyptic number.

1002345023431 is a deficient number, since it is larger than the sum of its proper divisors (15613106489).

1002345023431 is an equidigital number, since it uses as much as digits as its factorization.

1002345023431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36565013.

The product of its (nonzero) digits is 8640, while the sum is 28.

The spelling of 1002345023431 in words is "one trillion, two billion, three hundred forty-five million, twenty-three thousand, four hundred thirty-one".

Divisors: 1 79 347 27413 36564587 2888602373 12687911689 1002345023431