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2930048971 = 1392151651
BaseRepresentation
bin1010111010100100…
…1111111111001011
321120012101220120021
42232221033333023
522000043031341
61202425041311
7132416001553
oct25651177713
97505356507
102930048971
111273a33183
12699326237
133790620b5
141db1d8163
151223779d1
hexaea4ffcb

2930048971 has 6 divisors (see below), whose sum is σ = 2951299572. Its totient is φ = 2908950300.

The previous prime is 2930048921. The next prime is 2930048977. The reversal of 2930048971 is 1798400392.

It is not a de Polignac number, because 2930048971 - 213 = 2930040779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2930048977) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 56505 + ... + 95146.

It is an arithmetic number, because the mean of its divisors is an integer number (491883262).

Almost surely, 22930048971 is an apocalyptic number.

2930048971 is a deficient number, since it is larger than the sum of its proper divisors (21250601).

2930048971 is an equidigital number, since it uses as much as digits as its factorization.

2930048971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151929 (or 151790 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 2930048971 is about 54129.9267596031. The cubic root of 2930048971 is about 1430.9516496251.

The spelling of 2930048971 in words is "two billion, nine hundred thirty million, forty-eight thousand, nine hundred seventy-one".

Divisors: 1 139 19321 151651 21079489 2930048971