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3081083007 = 330713272521
BaseRepresentation
bin1011011110100101…
…1001100001111111
321221201121020022110
42313221121201333
522302224124012
61225422145103
7136231526202
oct26751314177
97851536273
103081083007
1113412112a2
1271ba22193
133a1433852
142132b1939
1513075d73c
hexb7a5987f

3081083007 has 16 divisors (see below), whose sum is σ = 4126234112. Its totient is φ = 2045010240.

The previous prime is 3081083003. The next prime is 3081083017. The reversal of 3081083007 is 7003801803.

It is not a de Polignac number, because 3081083007 - 22 = 3081083003 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3081083003) 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, 1220907 + ... + 1223427.

It is an arithmetic number, because the mean of its divisors is an integer number (257889632).

Almost surely, 23081083007 is an apocalyptic number.

3081083007 is a deficient number, since it is larger than the sum of its proper divisors (1045151105).

3081083007 is a wasteful number, since it uses less digits than its factorization.

3081083007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4158.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 3081083007 is about 55507.5040602620. The cubic root of 3081083007 is about 1455.1277832058.

The spelling of 3081083007 in words is "three billion, eighty-one million, eighty-three thousand, seven".

Divisors: 1 3 307 921 1327 2521 3981 7563 407389 773947 1222167 2321841 3345367 10036101 1027027669 3081083007