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90000000000006 = 23137595110901551
BaseRepresentation
bin10100011101101011000010…
…000001111010000000000110
3102210122220201202002021110120
4110131223002001322000012
543244030000000000011
6515225232413402410
724646166620464645
oct2435530201720006
9383586652067416
1090000000000006
1126749870783168
12a116729a99406
133b2ac6acba735
141832047ac335c
15a6118e87ba06
hex51dac207a006

90000000000006 has 16 divisors (see below), whose sum is σ = 180000147330048. Its totient is φ = 29999975445000.

The previous prime is 89999999999993. The next prime is 90000000000077. The reversal of 90000000000006 is 60000000000009.

90000000000006 is a strobogrammatic number because it is the same when read upside-down.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2804931 + ... + 13706481.

It is an arithmetic number, because the mean of its divisors is an integer number (11250009208128).

Almost surely, 290000000000006 is an apocalyptic number.

90000000000006 is an abundant number, since it is smaller than the sum of its proper divisors (90000147330042).

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

90000000000006 is a wasteful number, since it uses less digits than its factorization.

90000000000006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12277507.

The product of its (nonzero) digits is 54, while the sum is 15.

The spelling of 90000000000006 in words is "ninety trillion, six", and thus it is an aban number and an uban number.

Divisors: 1 2 3 6 1375951 2751902 4127853 8255706 10901551 21803102 32704653 65409306 15000000000001 30000000000002 45000000000003 90000000000006