Search a number
-
+
23454551553231 = 31931227242324133
BaseRepresentation
bin1010101010100111100000…
…01101101011010011001111
310002001020022000200011222010
411111103300031223103033
511033234410144200411
6121514512222552303
74640351436520161
oct525236015532317
9102036260604863
1023454551553231
1175230239904a7
122769795a38693
1310119a7178846
145b12c6332931
152aa19023b7a6
hex1554f036b4cf

23454551553231 has 64 divisors (see below), whose sum is σ = 34145756282880. Its totient is φ = 14265915592320.

The previous prime is 23454551553229. The next prime is 23454551553241. The reversal of 23454551553231 is 13235515545432.

It is not a de Polignac number, because 23454551553231 - 21 = 23454551553229 is a prime.

It is a super-3 number, since 3×234545515532313 (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23454551553241) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 971875041 + ... + 971899173.

It is an arithmetic number, because the mean of its divisors is an integer number (533527441920).

Almost surely, 223454551553231 is an apocalyptic number.

23454551553231 is a deficient number, since it is larger than the sum of its proper divisors (10691204729649).

23454551553231 is a wasteful number, since it uses less digits than its factorization.

23454551553231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26836.

The product of its digits is 5400000, while the sum is 48.

The spelling of 23454551553231 in words is "twenty-three trillion, four hundred fifty-four billion, five hundred fifty-one million, five hundred fifty-three thousand, two hundred thirty-one".

Divisors: 1 3 19 31 57 93 227 589 681 1767 2423 4313 7037 7269 12939 21111 24133 46037 72399 75113 133703 138111 225339 401109 458527 550021 748123 1375581 1427147 1650063 2244369 4281441 5478191 10450399 14214337 16434573 17050651 31351197 42643011 51151953 58474259 104085629 169823921 175422777 312256887 323962369 509471763 971887107 1111010921 1812702029 3226654499 3333032763 5438106087 9679963497 13273656793 34441338551 39820970379 103324015653 252199479067 411483360583 756598437201 1234450081749 7818183851077 23454551553231