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231304553004 = 223722312348097
BaseRepresentation
bin1101011101101011010…
…0110110001000101100
3211010001000022202011110
43113122310312020230
512242202431144004
6254132043152020
722465641155250
oct3273264661054
9733030282143
10231304553004
118a106432208
12389b3515610
1318a72a54715
14b2a38b4260
15603b88c589
hex35dad3622c

231304553004 has 48 divisors (see below), whose sum is σ = 619578165248. Its totient is φ = 65790655488.

The previous prime is 231304552861. The next prime is 231304553021. The reversal of 231304553004 is 400355403132.

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, 6155317 + ... + 6192780.

Almost surely, 2231304553004 is an apocalyptic number.

It is an amenable number.

231304553004 is an abundant number, since it is smaller than the sum of its proper divisors (388273612244).

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

231304553004 is a wasteful number, since it uses less digits than its factorization.

231304553004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12348334 (or 12348332 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 30.

Adding to 231304553004 its reverse (400355403132), we get a palindrome (631659956136).

The spelling of 231304553004 in words is "two hundred thirty-one billion, three hundred four million, five hundred fifty-three thousand, four".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 223 446 669 892 1338 1561 2676 3122 4683 6244 9366 18732 12348097 24696194 37044291 49392388 74088582 86436679 148177164 172873358 259310037 345746716 518620074 1037240148 2753625631 5507251262 8260876893 11014502524 16521753786 19275379417 33043507572 38550758834 57826138251 77101517668 115652276502 231304553004