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100021100030 = 2510002110003
BaseRepresentation
bin101110100100110111…
…0001101110111111110
3100120011122100100001022
41131021232031313332
53114320400200110
6113540555144142
710140421215425
oct1351156156776
9316148310038
10100021100030
1139467337945
1217474a45052
13957ccb9777
144babb942bc
152906006755
hex1749b8ddfe

100021100030 has 8 divisors (see below), whose sum is σ = 180037980072. Its totient is φ = 40008440008.

The previous prime is 100021099993. The next prime is 100021100033. The reversal of 100021100030 is 30001120001.

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

It is a super-2 number, since 2×1000211000302 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 100021099990 and 100021100017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100021100033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5001054992 + ... + 5001055011.

It is an arithmetic number, because the mean of its divisors is an integer number (22504747509).

Almost surely, 2100021100030 is an apocalyptic number.

100021100030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100021100030 is a deficient number, since it is larger than the sum of its proper divisors (80016880042).

100021100030 is a wasteful number, since it uses less digits than its factorization.

100021100030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10002110010.

The product of its (nonzero) digits is 6, while the sum is 8.

Adding to 100021100030 its reverse (30001120001), we get a palindrome (130022220031).

The spelling of 100021100030 in words is "one hundred billion, twenty-one million, one hundred thousand, thirty".

Divisors: 1 2 5 10 10002110003 20004220006 50010550015 100021100030