Search a number
-
+
48379278731 = 72987332219
BaseRepresentation
bin101101000011101000…
…010011010110001011
311121212122011000000012
4231003220103112023
51243040043404411
634120343502135
73331612040600
oct550350232613
9147778130005
1048379278731
1119576929193
12946215794b
134740060464
1424ad3a46a7
1513d245118b
hexb43a1358b

48379278731 has 6 divisors (see below), whose sum is σ = 56277936540. Its totient is φ = 41467953156.

The previous prime is 48379278721. The next prime is 48379278817. The reversal of 48379278731 is 13787297384.

It is not a de Polignac number, because 48379278731 - 222 = 48375084427 is a prime.

It is a super-2 number, since 2×483792787312 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (48379278721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 493666061 + ... + 493666158.

It is an arithmetic number, because the mean of its divisors is an integer number (9379656090).

Almost surely, 248379278731 is an apocalyptic number.

48379278731 is a deficient number, since it is larger than the sum of its proper divisors (7898657809).

48379278731 is an equidigital number, since it uses as much as digits as its factorization.

48379278731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 987332233 (or 987332226 counting only the distinct ones).

The product of its digits is 14224896, while the sum is 59.

The spelling of 48379278731 in words is "forty-eight billion, three hundred seventy-nine million, two hundred seventy-eight thousand, seven hundred thirty-one".

Divisors: 1 7 49 987332219 6911325533 48379278731