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8980471380 = 22351491004527
BaseRepresentation
bin10000101110100011…
…10001111001010100
3212011212100012210010
420113101301321110
5121343000041010
64043042400220
7435354514206
oct102721617124
925155305703
108980471380
113899273081
1218a7660070
13b017035ba
146129b0776
15378620620
hex217471e54

8980471380 has 48 divisors (see below), whose sum is σ = 25314105600. Its totient is φ = 2378717568.

The previous prime is 8980471337. The next prime is 8980471399. The reversal of 8980471380 is 831740898.

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, 493324 + ... + 511203.

It is an arithmetic number, because the mean of its divisors is an integer number (527377200).

Almost surely, 28980471380 is an apocalyptic number.

It is an amenable number.

8980471380 is an abundant number, since it is smaller than the sum of its proper divisors (16333634220).

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

8980471380 is a wasteful number, since it uses less digits than its factorization.

8980471380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1004688 (or 1004686 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 48.

The square root of 8980471380 is about 94765.3490470014. The cubic root of 8980471380 is about 2078.5782459191.

The spelling of 8980471380 in words is "eight billion, nine hundred eighty million, four hundred seventy-one thousand, three hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 149 298 447 596 745 894 1490 1788 2235 2980 4470 8940 1004527 2009054 3013581 4018108 5022635 6027162 10045270 12054324 15067905 20090540 30135810 60271620 149674523 299349046 449023569 598698092 748372615 898047138 1496745230 1796094276 2245117845 2993490460 4490235690 8980471380