Search a number
-
+
70608459948 = 223131393256247
BaseRepresentation
bin100000111000010010…
…1111001100010101100
320202020211021102000020
41001300211321202230
52124101231204243
652234224202140
75046513002235
oct1016045714254
9222224242006
1070608459948
1127a436a9034
1211826769350
136873515b20
1435bb76208c
151c83c50283
hex10709798ac

70608459948 has 48 divisors (see below), whose sum is σ = 178702890240. Its totient is φ = 21569373504.

The previous prime is 70608459947. The next prime is 70608459953. The reversal of 70608459948 is 84995480607.

It is a junction number, because it is equal to n+sod(n) for n = 70608459891 and 70608459900.

It is not an unprimeable number, because it can be changed into a prime (70608459947) 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, 1606440 + ... + 1649807.

It is an arithmetic number, because the mean of its divisors is an integer number (3722976880).

Almost surely, 270608459948 is an apocalyptic number.

70608459948 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is an amenable number.

70608459948 is an abundant number, since it is smaller than the sum of its proper divisors (108094430292).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70608459948 is a wasteful number, since it uses less digits than its factorization.

70608459948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3256406 (or 3256404 counting only the distinct ones).

The product of its (nonzero) digits is 17418240, while the sum is 60.

The spelling of 70608459948 in words is "seventy billion, six hundred eight million, four hundred fifty-nine thousand, nine hundred forty-eight".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 139 156 278 417 556 834 1668 1807 3614 5421 7228 10842 21684 3256247 6512494 9768741 13024988 19537482 39074964 42331211 84662422 126993633 169324844 253987266 452618333 507974532 905236666 1357854999 1810473332 2715709998 5431419996 5884038329 11768076658 17652114987 23536153316 35304229974 70608459948