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3081020303 = 37791054061
BaseRepresentation
bin1011011110100100…
…1010001110001111
321221201111001022002
42313221022032033
522302220122203
61225420542515
7136231145324
oct26751121617
97851431262
103081020303
111341179179
1271b9b1a3b
133a141114a
14213296b4b
15130749d88
hexb7a4a38f

3081020303 has 8 divisors (see below), whose sum is σ = 3204348480. Its totient is φ = 2959800480.

The previous prime is 3081020237. The next prime is 3081020311. The reversal of 3081020303 is 3030201803.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3081020303 - 212 = 3081016207 is a prime.

It is a super-2 number, since 2×30810203032 = 18985372214996423618, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3081020333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 524108 + ... + 529953.

It is an arithmetic number, because the mean of its divisors is an integer number (400543560).

Almost surely, 23081020303 is an apocalyptic number.

3081020303 is a deficient number, since it is larger than the sum of its proper divisors (123328177).

3081020303 is a wasteful number, since it uses less digits than its factorization.

3081020303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1054177.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 3081020303 is about 55506.9392328563. The cubic root of 3081020303 is about 1455.1179118985.

The spelling of 3081020303 in words is "three billion, eighty-one million, twenty thousand, three hundred three".

Divisors: 1 37 79 2923 1054061 39000257 83270819 3081020303