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231404123310 = 23560661127157
BaseRepresentation
bin1101011110000011000…
…0101011010010101110
3211010021221200102221120
43113200300223102232
512242403423421220
6254150001241410
722501260410553
oct3274060532256
9733257612846
10231404123310
118a15765a918
1238a20933266
1318a8a577769
14b2b2bd2a2a
1560454a9a40
hex35e0c2b4ae

231404123310 has 32 divisors (see below), whose sum is σ = 555383418912. Its totient is φ = 61706263680.

The previous prime is 231404123303. The next prime is 231404123317. The reversal of 231404123310 is 13321404132.

It is a happy number.

231404123310 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (231404123303) and next prime (231404123317).

It is a super-2 number, since 2×2314041233102 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231404123317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1756252 + ... + 1883408.

It is an arithmetic number, because the mean of its divisors is an integer number (17355731841).

Almost surely, 2231404123310 is an apocalyptic number.

231404123310 is an abundant number, since it is smaller than the sum of its proper divisors (323979295602).

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

231404123310 is a wasteful number, since it uses less digits than its factorization.

231404123310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187828.

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

Adding to 231404123310 its reverse (13321404132), we get a palindrome (244725527442).

The spelling of 231404123310 in words is "two hundred thirty-one billion, four hundred four million, one hundred twenty-three thousand, three hundred ten".

Divisors: 1 2 3 5 6 10 15 30 60661 121322 127157 181983 254314 303305 363966 381471 606610 635785 762942 909915 1271570 1819830 1907355 3814710 7713470777 15426941554 23140412331 38567353885 46280824662 77134707770 115702061655 231404123310