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2930109429 = 313312423581
BaseRepresentation
bin1010111010100101…
…1110101111110101
321120012111222111110
42232221132233311
522000102000204
61202430225233
7132416343042
oct25651365765
97505458443
102930109429
111273a74645
12699355219
13379083780
141db2121c9
1512238a889
hexaea5ebf5

2930109429 has 16 divisors (see below), whose sum is σ = 4343058944. Its totient is φ = 1744977600.

The previous prime is 2930109407. The next prime is 2930109461. The reversal of 2930109429 is 9249010392.

It is not a de Polignac number, because 2930109429 - 223 = 2921720821 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2930109499) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1210582 + ... + 1212999.

It is an arithmetic number, because the mean of its divisors is an integer number (271441184).

Almost surely, 22930109429 is an apocalyptic number.

It is an amenable number.

2930109429 is a deficient number, since it is larger than the sum of its proper divisors (1412949515).

2930109429 is a wasteful number, since it uses less digits than its factorization.

2930109429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2423628.

The product of its (nonzero) digits is 34992, while the sum is 39.

The square root of 2930109429 is about 54130.4852093531. The cubic root of 2930109429 is about 1430.9614915403.

The spelling of 2930109429 in words is "two billion, nine hundred thirty million, one hundred nine thousand, four hundred twenty-nine".

Divisors: 1 3 13 31 39 93 403 1209 2423581 7270743 31506553 75131011 94519659 225393033 976703143 2930109429