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2101683788 = 2223115319813
BaseRepresentation
bin111110101000101…
…0010011001001100
312102110200121011022
41331101102121030
513301012340123
6544314213312
7103040005661
oct17521223114
95373617138
102101683788
11989389156
124a7a24238
1327655a399
1415d1a7a68
15c479b1c8
hex7d45264c

2101683788 has 24 divisors (see below), whose sum is σ = 3841379808. Its totient is φ = 1004230656.

The previous prime is 2101683763. The next prime is 2101683799. The reversal of 2101683788 is 8873861012.

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, 96170 + ... + 115982.

It is an arithmetic number, because the mean of its divisors is an integer number (160057492).

Almost surely, 22101683788 is an apocalyptic number.

It is an amenable number.

2101683788 is a deficient number, since it is larger than the sum of its proper divisors (1739696020).

2101683788 is a wasteful number, since it uses less digits than its factorization.

2101683788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20993 (or 20991 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 44.

The square root of 2101683788 is about 45844.1249016709. The cubic root of 2101683788 is about 1280.9213313047.

The spelling of 2101683788 in words is "two billion, one hundred one million, six hundred eighty-three thousand, seven hundred eighty-eight".

Divisors: 1 2 4 23 46 92 1153 2306 4612 19813 26519 39626 53038 79252 106076 455699 911398 1822796 22844389 45688778 91377556 525420947 1050841894 2101683788