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20080378804 = 22231636412089
BaseRepresentation
bin10010101100111000…
…100100001110110100
31220211102202221020111
4102230320210032310
5312111034110204
613120320112404
71310416255303
oct225470441664
956742687214
1020080378804
118574939892
123a84a65704
131b8023b565
14d86c4a43a
157c7d46d04
hex4ace243b4

20080378804 has 48 divisors (see below), whose sum is σ = 36968722560. Its totient is φ = 9525288960.

The previous prime is 20080378793. The next prime is 20080378811. The reversal of 20080378804 is 40887308002.

It is a super-2 number, since 2×200803788042 (a number of 21 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 15 ways as a sum of consecutive naturals, for example, 9611392 + ... + 9613480.

It is an arithmetic number, because the mean of its divisors is an integer number (770181720).

Almost surely, 220080378804 is an apocalyptic number.

It is an amenable number.

20080378804 is a deficient number, since it is larger than the sum of its proper divisors (16888343756).

20080378804 is a wasteful number, since it uses less digits than its factorization.

20080378804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2920 (or 2918 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 40.

The spelling of 20080378804 in words is "twenty billion, eighty million, three hundred seventy-eight thousand, eight hundred four".

Divisors: 1 2 4 23 46 92 163 326 641 652 1282 2089 2564 3749 4178 7498 8356 14743 14996 29486 48047 58972 96094 104483 192188 208966 340507 417932 681014 1339049 1362028 2403109 2678098 4806218 5356196 7831661 9612436 15663322 30798127 31326644 61596254 123192508 218264987 436529974 873059948 5020094701 10040189402 20080378804