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22630851948 = 223434272
BaseRepresentation
bin10101000100111001…
…110110010101101100
32011102011221101122210
4111010321312111230
5332321444230243
614221345410420
71430546032125
oct250471662554
964364841583
1022630851948
119663587031
124477039a10
132198760573
14114987904c
158c6be2933
hex544e7656c

22630851948 has 18 divisors (see below), whose sum is σ = 52806537196. Its totient is φ = 7543443608.

The previous prime is 22630851869. The next prime is 22630851989. The reversal of 22630851948 is 84915803622.

It is a junction number, because it is equal to n+sod(n) for n = 22630851897 and 22630851906.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 499411 + ... + 542837.

Almost surely, 222630851948 is an apocalyptic number.

It is an amenable number.

22630851948 is an abundant number, since it is smaller than the sum of its proper divisors (30175685248).

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

22630851948 is an frugal number, since it uses more digits than its factorization.

22630851948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86861 (or 43432 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 48.

Multiplying 22630851948 by its sum of digits (48), we get a square (1086280893504 = 10422482).

The spelling of 22630851948 in words is "twenty-two billion, six hundred thirty million, eight hundred fifty-one thousand, nine hundred forty-eight".

Divisors: 1 2 3 4 6 12 43427 86854 130281 173708 260562 521124 1885904329 3771808658 5657712987 7543617316 11315425974 22630851948