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20080670348 = 2273573711987
BaseRepresentation
bin10010101100111001…
…101011011010001100
31220211110022202011102
4102230321223122030
5312111122422343
613120330242232
71310421611264
oct225471533214
956743282142
1020080670348
118575018932
123a84b86378
131b8031117b
14d86cc47a4
157c7da33b8
hex4ace6b68c

20080670348 has 24 divisors (see below), whose sum is σ = 35631740592. Its totient is φ = 9900244224.

The previous prime is 20080670339. The next prime is 20080670359. The reversal of 20080670348 is 84307608002.

It is a super-2 number, since 2×200806703482 (a number of 21 digits) contains 22 as substring.

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, 1669211 + ... + 1681197.

It is an arithmetic number, because the mean of its divisors is an integer number (1484655858).

Almost surely, 220080670348 is an apocalyptic number.

It is an amenable number.

20080670348 is a deficient number, since it is larger than the sum of its proper divisors (15551070244).

20080670348 is a wasteful number, since it uses less digits than its factorization.

20080670348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17801 (or 17799 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 38.

The spelling of 20080670348 in words is "twenty billion, eighty million, six hundred seventy thousand, three hundred forty-eight".

Divisors: 1 2 4 73 146 292 5737 11474 11987 22948 23974 47948 418801 837602 875051 1675204 1750102 3500204 68769419 137538838 275077676 5020167587 10040335174 20080670348