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2102930942 = 2733198887
BaseRepresentation
bin111110101011000…
…0010110111111110
312102120000221221012
41331112002313332
513301322242232
6544401035222
7103053422000
oct17526026776
95376027835
102102930942
1198a060162
124a8325b12
132768a5c48
1415d410370
15c49459b2
hex7d582dfe

2102930942 has 32 divisors (see below), whose sum is σ = 3797299200. Its totient is φ = 872174520.

The previous prime is 2102930939. The next prime is 2102930983. The reversal of 2102930942 is 2490392012.

It is a junction number, because it is equal to n+sod(n) for n = 2102930899 and 2102930908.

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, 28178 + ... + 70709.

It is an arithmetic number, because the mean of its divisors is an integer number (118665600).

Almost surely, 22102930942 is an apocalyptic number.

2102930942 is a deficient number, since it is larger than the sum of its proper divisors (1694368258).

2102930942 is an equidigital number, since it uses as much as digits as its factorization.

2102930942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98941 (or 98927 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 2102930942 is about 45857.7249980851. The cubic root of 2102930942 is about 1281.1746504584.

The spelling of 2102930942 in words is "two billion, one hundred two million, nine hundred thirty thousand, nine hundred forty-two".

Divisors: 1 2 7 14 31 49 62 98 217 343 434 686 1519 3038 10633 21266 98887 197774 692209 1384418 3065497 4845463 6130994 9690926 21458479 33918241 42916958 67836482 150209353 300418706 1051465471 2102930942