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100303020020 = 22572293312451
BaseRepresentation
bin101110101101010000…
…1101001111111110100
3100120220021211100120102
41131122201221333310
53120410033120040
6114024545453232
710150413413540
oct1353241517764
9316807740512
10100303020020
11395a1492575
1217533341218
1395c6527028
144bd73bca20
152920b43515
hex175a869ff4

100303020020 has 48 divisors (see below), whose sum is σ = 240833002368. Its totient is φ = 34374499200.

The previous prime is 100303020017. The next prime is 100303020071. The reversal of 100303020020 is 20020303001.

It is a junction number, because it is equal to n+sod(n) for n = 100303019983 and 100303020010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 164795 + ... + 477245.

It is an arithmetic number, because the mean of its divisors is an integer number (5017354216).

Almost surely, 2100303020020 is an apocalyptic number.

100303020020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100303020020 is an abundant number, since it is smaller than the sum of its proper divisors (140529982348).

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

100303020020 is a wasteful number, since it uses less digits than its factorization.

100303020020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314760 (or 314758 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 11.

Adding to 100303020020 its reverse (20020303001), we get a palindrome (120323323021).

The spelling of 100303020020 in words is "one hundred billion, three hundred three million, twenty thousand, twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 2293 4586 9172 11465 16051 22930 32102 45860 64204 80255 160510 312451 321020 624902 1249804 1562255 2187157 3124510 4374314 6249020 8748628 10935785 21871570 43743140 716450143 1432900286 2865800572 3582250715 5015151001 7164501430 10030302002 14329002860 20060604004 25075755005 50151510010 100303020020