Search a number
-
+
21302100321132 = 22379213710515007
BaseRepresentation
bin1001101011111110010000…
…00111110110001101101100
32210102110102222221022211110
410311333020013312031230
510243003200140234012
6113150014430552020
74326011622105441
oct465771007661554
983373388838743
1021302100321132
116873196317614
1224805a6368610
13bb6a1957c237
145390547379c8
1526e1b338873c
hex135fc81f636c

21302100321132 has 48 divisors (see below), whose sum is σ = 50357635112960. Its totient is φ = 7007536478592.

The previous prime is 21302100321083. The next prime is 21302100321149. The reversal of 21302100321132 is 23112300120312.

It is a super-2 number, since 2×213021003211322 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21302100321099 and 21302100321108.

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, 3231628 + ... + 7283379.

Almost surely, 221302100321132 is an apocalyptic number.

It is an amenable number.

21302100321132 is an abundant number, since it is smaller than the sum of its proper divisors (29055534791828).

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

21302100321132 is a wasteful number, since it uses less digits than its factorization.

21302100321132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10517230 (or 10517228 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 21302100321132 its reverse (23112300120312), we get a palindrome (44414400441444).

The spelling of 21302100321132 in words is "twenty-one trillion, three hundred two billion, one hundred million, three hundred twenty-one thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 79 158 237 316 474 948 2137 4274 6411 8548 12822 25644 168823 337646 506469 675292 1012938 2025876 10515007 21030014 31545021 42060028 63090042 126180084 830685553 1661371106 2492056659 3322742212 4984113318 9968226636 22470569959 44941139918 67411709877 89882279836 134823419754 269646839508 1775175026761 3550350053522 5325525080283 7100700107044 10651050160566 21302100321132