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200311021230 = 23514944812309
BaseRepresentation
bin1011101010001101110…
…1111001111010101110
3201011001000112012102020
42322203131321322232
511240214110134410
6232004400211010
720320615405305
oct2724335717256
9634030465366
10200311021230
1177a51393041
12329a3909a66
1315b738a85c8
1499a352343c
15532590da70
hex2ea3779eae

200311021230 has 32 divisors (see below), whose sum is σ = 483972948000. Its totient is φ = 53057772672.

The previous prime is 200311021223. The next prime is 200311021259. The reversal of 200311021230 is 32120113002.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 22401685 + ... + 22410624.

It is an arithmetic number, because the mean of its divisors is an integer number (15124154625).

Almost surely, 2200311021230 is an apocalyptic number.

200311021230 is an abundant number, since it is smaller than the sum of its proper divisors (283661926770).

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

200311021230 is a wasteful number, since it uses less digits than its factorization.

200311021230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44812468.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 200311021230 its reverse (32120113002), we get a palindrome (232431134232).

The spelling of 200311021230 in words is "two hundred billion, three hundred eleven million, twenty-one thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 149 298 447 745 894 1490 2235 4470 44812309 89624618 134436927 224061545 268873854 448123090 672184635 1344369270 6677034041 13354068082 20031102123 33385170205 40062204246 66770340410 100155510615 200311021230