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230102313303220 = 225191208092894719
BaseRepresentation
bin110100010100011011011110…
…101001010111110010110100
31010011201120021211212010202021
4310110123132221113302310
5220124444014201200340
62133215313213522524
766316225554521551
oct6424333651276264
91104646254763667
10230102313303220
1167354930117446
12219834531a3444
139b5172a55cc27
1440b7023363a28
151b90751200e4a
hexd146dea57cb4

230102313303220 has 48 divisors (see below), whose sum is σ = 485768289484800. Its totient is φ = 91554604058880.

The previous prime is 230102313303209. The next prime is 230102313303323. The reversal of 230102313303220 is 22303313201032.

It is a congruent number.

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, 78043021 + ... + 80937739.

It is an arithmetic number, because the mean of its divisors is an integer number (10120172697600).

Almost surely, 2230102313303220 is an apocalyptic number.

230102313303220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230102313303220 is an abundant number, since it is smaller than the sum of its proper divisors (255665976181580).

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

230102313303220 is a wasteful number, since it uses less digits than its factorization.

230102313303220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2915728 (or 2915726 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 230102313303220 its reverse (22303313201032), we get a palindrome (252405626504252).

The spelling of 230102313303220 in words is "two hundred thirty trillion, one hundred two billion, three hundred thirteen million, three hundred three thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 191 382 764 955 1910 3820 20809 41618 83236 104045 208090 416180 2894719 3974519 5789438 7949038 11578876 14473595 15898076 19872595 28947190 39745190 57894380 79490380 552891329 1105782658 2211565316 2764456645 5528913290 11057826580 60236207671 120472415342 240944830684 301181038355 602362076710 1204724153420 11505115665161 23010231330322 46020462660644 57525578325805 115051156651610 230102313303220