Search a number
-
+
23151200031312 = 2431429799342227
BaseRepresentation
bin1010100001110010011110…
…00011011101001001010000
310000222020021221021012110120
411100321033003131021100
511013302124202000222
6121123303043030240
74606422214235553
oct520711703351120
9100866257235416
1023151200031312
11741640695a181
12271aa3606b380
13cbc1c1b98892
145a074a04269a
152a23386ee15c
hex150e4f0dd250

23151200031312 has 80 divisors (see below), whose sum is σ = 59858024466240. Its totient is φ = 7710518946816.

The previous prime is 23151200031299. The next prime is 23151200031317. The reversal of 23151200031312 is 21313000215132.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23151200031317) 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, 548234743 + ... + 548276969.

It is an arithmetic number, because the mean of its divisors is an integer number (748225305828).

Almost surely, 223151200031312 is an apocalyptic number.

It is an amenable number.

23151200031312 is an abundant number, since it is smaller than the sum of its proper divisors (36706824434928).

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

23151200031312 is a wasteful number, since it uses less digits than its factorization.

23151200031312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51660 (or 51654 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

Adding to 23151200031312 its reverse (21313000215132), we get a palindrome (44464200246444).

The spelling of 23151200031312 in words is "twenty-three trillion, one hundred fifty-one billion, two hundred million, thirty-one thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 48 1429 2858 4287 5716 7993 8574 11432 15986 17148 22864 23979 31972 34296 42227 47958 63944 68592 84454 95916 126681 127888 168908 191832 253362 337816 383664 506724 675632 1013448 2026896 11421997 22843994 34265991 45687988 60342383 68531982 91375976 120684766 137063964 181027149 182751952 241369532 274127928 337520411 362054298 482739064 548255856 675040822 724108596 965478128 1012561233 1350081644 1448217192 2025122466 2700163288 2896434384 4050244932 5400326576 8100489864 16200979728 482316667319 964633334638 1446950001957 1929266669276 2893900003914 3858533338552 5787800007828 7717066677104 11575600015656 23151200031312