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100480913281 = 721436698281
BaseRepresentation
bin101110110010100100…
…0010000111110000001
3100121100200120021020201
41131211020100332001
53121241103211111
6114054342405201
710155003446020
oct1354510207601
9317320507221
10100480913281
11396829463a1
1217582a30801
139624341008
144c12c888b7
1529315826c1
hex1765210f81

100480913281 has 8 divisors (see below), whose sum is σ = 114888932864. Its totient is φ = 86086294560.

The previous prime is 100480913243. The next prime is 100480913287. The reversal of 100480913281 is 182319084001.

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

It is not a de Polignac number, because 100480913281 - 221 = 100478816129 is a prime.

It is a super-2 number, since 2×1004809132812 (a number of 23 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 100480913281.

It is not an unprimeable number, because it can be changed into a prime (100480913287) 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, 3334140 + ... + 3364141.

It is an arithmetic number, because the mean of its divisors is an integer number (14361116608).

Almost surely, 2100480913281 is an apocalyptic number.

It is an amenable number.

100480913281 is a deficient number, since it is larger than the sum of its proper divisors (14408019583).

100480913281 is an equidigital number, since it uses as much as digits as its factorization.

100480913281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6700431.

The product of its (nonzero) digits is 13824, while the sum is 37.

Adding to 100480913281 its reverse (182319084001), we get a palindrome (282799997282).

The spelling of 100480913281 in words is "one hundred billion, four hundred eighty million, nine hundred thirteen thousand, two hundred eighty-one".

Divisors: 1 7 2143 15001 6698281 46887967 14354416183 100480913281