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100302112020 = 223511151972897
BaseRepresentation
bin101110101101001111…
…0001100010100010100
3100120220020010020000210
41131122132030110110
53120404320041040
6114024514205420
710150402612365
oct1353236142424
9316806106023
10100302112020
11395a0a22360
1217532b83870
1395c6299956
144bd7223b6c
152920a14480
hex175a78c514

100302112020 has 48 divisors (see below), whose sum is σ = 306377362368. Its totient is φ = 24315663360.

The previous prime is 100302112007. The next prime is 100302112021. The reversal of 100302112020 is 20211203001.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 100302111987 and 100302112005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100302112021) 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, 75985789 + ... + 75987108.

It is an arithmetic number, because the mean of its divisors is an integer number (6382861716).

Almost surely, 2100302112020 is an apocalyptic number.

100302112020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100302112020 is an abundant number, since it is smaller than the sum of its proper divisors (206075250348).

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

100302112020 is a wasteful number, since it uses less digits than its factorization.

100302112020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151972920 (or 151972918 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 100302112020 its reverse (20211203001), we get a palindrome (120513315021).

The spelling of 100302112020 in words is "one hundred billion, three hundred two million, one hundred twelve thousand, twenty".

Divisors: 1 2 3 4 5 6 10 11 12 15 20 22 30 33 44 55 60 66 110 132 165 220 330 660 151972897 303945794 455918691 607891588 759864485 911837382 1519728970 1671701867 1823674764 2279593455 3039457940 3343403734 4559186910 5015105601 6686807468 8358509335 9118373820 10030211202 16717018670 20060422404 25075528005 33434037340 50151056010 100302112020