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2036979980 = 225722078551
BaseRepresentation
bin111100101101001…
…1101100100001100
312020221221022012222
41321122131210030
513132431324410
6534043314512
7101323021100
oct17132354414
95227838188
102036979980
11955905232
1248a21ba38
132660243c9
14154763900
15bdc69955
hex7969d90c

2036979980 has 36 divisors (see below), whose sum is σ = 4976053488. Its totient is φ = 698392800.

The previous prime is 2036979977. The next prime is 2036980009. The reversal of 2036979980 is 899796302.

It is a super-3 number, since 3×20369799803 (a number of 29 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1038296 + ... + 1040255.

It is an arithmetic number, because the mean of its divisors is an integer number (138223708).

Almost surely, 22036979980 is an apocalyptic number.

2036979980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2036979980 is an abundant number, since it is smaller than the sum of its proper divisors (2939073508).

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

2036979980 is a wasteful number, since it uses less digits than its factorization.

2036979980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2078574 (or 2078565 counting only the distinct ones).

The product of its (nonzero) digits is 1469664, while the sum is 53.

The square root of 2036979980 is about 45132.9145967774. The cubic root of 2036979980 is about 1267.6389845870.

The spelling of 2036979980 in words is "two billion, thirty-six million, nine hundred seventy-nine thousand, nine hundred eighty".

Divisors: 1 2 4 5 7 10 14 20 28 35 49 70 98 140 196 245 490 980 2078551 4157102 8314204 10392755 14549857 20785510 29099714 41571020 58199428 72749285 101848999 145498570 203697998 290997140 407395996 509244995 1018489990 2036979980