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222220120000002 = 231731241291611381
BaseRepresentation
bin110010100001101110100111…
…010100001000011000000010
31002010211000222020112222222220
4302201232213110020120002
5213111323301210000002
62104342302552111510
764543605506066565
oct6241564724103002
91063730866488886
10222220120000002
1164896029523143
1220b0b8b8695596
1396cc362627997
143cc3722a144dc
151aa56c68e87bc
hexca1ba7508602

222220120000002 has 64 divisors (see below), whose sum is σ = 487779525116928. Its totient is φ = 67187261952000.

The previous prime is 222220119999961. The next prime is 222220120000027. The reversal of 222220120000002 is 200000021022222.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 145043649 + ... + 146567732.

It is an arithmetic number, because the mean of its divisors is an integer number (7621555079952).

Almost surely, 2222220120000002 is an apocalyptic number.

222220120000002 is an abundant number, since it is smaller than the sum of its proper divisors (265559405116926).

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

222220120000002 is a wasteful number, since it uses less digits than its factorization.

222220120000002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291611675.

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 222220120000002 its reverse (200000021022222), we get a palindrome (422220141022224).

The spelling of 222220120000002 in words is "two hundred twenty-two trillion, two hundred twenty billion, one hundred twenty million, two", and thus it is an aban number.

Divisors: 1 2 3 6 17 31 34 51 62 93 102 186 241 482 527 723 1054 1446 1581 3162 4097 7471 8194 12291 14942 22413 24582 44826 127007 254014 381021 762042 291611381 583222762 874834143 1749668286 4957393477 9039952811 9914786954 14872180431 18079905622 27119858433 29744360862 54239716866 70278342821 140556685642 153679197787 210835028463 307358395574 421670056926 461037593361 922075186722 1194731827957 2178628627451 2389463655914 3584195483871 4357257254902 6535885882353 7168390967742 13071771764706 37036686666667 74073373333334 111110060000001 222220120000002