Search a number
-
+
21023002303032 = 23317103149977659
BaseRepresentation
bin1001100011110110011001…
…00101011001101000111000
32202102210001011202222220010
410301323030211121220320
510223420102042144112
6112413500043501520
74266601411101612
oct461731445315070
982383034688803
1021023002303032
116775894805724
122436494b278a0
13b965cac66a72
145297395d1db2
15266ccac1463c
hex131ecc959a38

21023002303032 has 64 divisors (see below), whose sum is σ = 55703100729600. Its totient is φ = 6589054430720.

The previous prime is 21023002303019. The next prime is 21023002303033. The reversal of 21023002303032 is 23030320032012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21023002303033) 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, 24568182 + ... + 25409477.

It is an arithmetic number, because the mean of its divisors is an integer number (870360948900).

Almost surely, 221023002303032 is an apocalyptic number.

It is an amenable number.

21023002303032 is an abundant number, since it is smaller than the sum of its proper divisors (34680098426568).

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

21023002303032 is a wasteful number, since it uses less digits than its factorization.

21023002303032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49978716 (or 49978712 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 21023002303032 its reverse (23030320032012), we get a palindrome (44053322335044).

The spelling of 21023002303032 in words is "twenty-one trillion, twenty-three billion, two million, three hundred three thousand, thirty-two".

Divisors: 1 2 3 4 6 8 12 17 24 34 51 68 102 136 204 408 1031 2062 3093 4124 6186 8248 12372 17527 24744 35054 52581 70108 105162 140216 210324 420648 49977659 99955318 149932977 199910636 299865954 399821272 599731908 849620203 1199463816 1699240406 2548860609 3398480812 5097721218 6796961624 10195442436 20390884872 51526966429 103053932858 154580899287 206107865716 309161798574 412215731432 618323597148 875958429293 1236647194296 1751916858586 2627875287879 3503833717172 5255750575758 7007667434344 10511501151516 21023002303032