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312300000222 = 237151140934949
BaseRepresentation
bin1001000101101101000…
…01111101001111011110
31002212002201112210000220
410202312201331033132
520104042300001342
6355245120502210
731364041126320
oct4426641751736
91085081483026
10312300000222
1111049a232541
125063877a966
13235b0191352
1411188933610
1581cc43d5ec
hex48b687d3de

312300000222 has 64 divisors (see below), whose sum is σ = 719086464000. Its totient is φ = 88572211200.

The previous prime is 312300000209. The next prime is 312300000251. The reversal of 312300000222 is 222000003213.

It is a super-2 number, since 2×3123000002222 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8918404 + ... + 8953352.

It is an arithmetic number, because the mean of its divisors is an integer number (11235726000).

Almost surely, 2312300000222 is an apocalyptic number.

312300000222 is an abundant number, since it is smaller than the sum of its proper divisors (406786463778).

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

312300000222 is a wasteful number, since it uses less digits than its factorization.

312300000222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36521.

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 312300000222 its reverse (222000003213), we get a palindrome (534300003435).

The spelling of 312300000222 in words is "three hundred twelve billion, three hundred million, two hundred twenty-two", and thus it is an aban number.

Divisors: 1 2 3 6 7 14 21 42 151 302 453 906 1057 1409 2114 2818 3171 4227 6342 8454 9863 19726 29589 34949 59178 69898 104847 209694 212759 244643 425518 489286 638277 733929 1276554 1467858 1489313 2978626 4467939 5277299 8935878 10554598 15831897 31663794 36941093 49243141 73882186 98486282 110823279 147729423 221646558 295458846 344701987 689403974 1034105961 2068211922 7435714291 14871428582 22307142873 44614285746 52050000037 104100000074 156150000111 312300000222