Search a number
-
+
23311432002012 = 22371129869959397
BaseRepresentation
bin1010100110011100111011…
…00111111010100111011100
310001112112212202222200102220
411103032131213322213130
511023413303043031022
6121325042442145340
74624124005433310
oct523163547724734
9101475782880386
1023311432002012
117478360701360
122745ab34b2250
13100134920476b
145a83ca69bb40
152a65b570d85c
hex15339d9fa9dc

23311432002012 has 96 divisors (see below), whose sum is σ = 70153525854720. Its totient is φ = 5846127141120.

The previous prime is 23311432001999. The next prime is 23311432002037. The reversal of 23311432002012 is 21020023411332.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 434952903 + ... + 435006494.

It is an arithmetic number, because the mean of its divisors is an integer number (730765894320).

Almost surely, 223311432002012 is an apocalyptic number.

23311432002012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

23311432002012 is an abundant number, since it is smaller than the sum of its proper divisors (46842093852708).

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

23311432002012 is a wasteful number, since it uses less digits than its factorization.

23311432002012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 869959451 (or 869959449 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 23311432002012 its reverse (21020023411332), we get a palindrome (44331455413344).

The spelling of 23311432002012 in words is "twenty-three trillion, three hundred eleven billion, four hundred thirty-two million, two thousand, twelve".

Divisors: 1 2 3 4 6 7 11 12 14 21 22 28 29 33 42 44 58 66 77 84 87 116 132 154 174 203 231 308 319 348 406 462 609 638 812 924 957 1218 1276 1914 2233 2436 3828 4466 6699 8932 13398 26796 869959397 1739918794 2609878191 3479837588 5219756382 6089715779 9569553367 10439512764 12179431558 18269147337 19139106734 24358863116 25228822513 28708660101 36538294674 38278213468 50457645026 57417320202 66986873569 73076589348 75686467539 100915290052 114834640404 133973747138 151372935078 176601757591 200960620707 267947494276 277517047643 302745870156 353203515182 401921241414 529805272773 555034095286 706407030364 803842482828 832551142929 1059610545546 1110068190572 1665102285858 1942619333501 2119221091092 3330204571716 3885238667002 5827858000503 7770477334004 11655716001006 23311432002012