Search a number
-
+
70488688408 = 238811086051
BaseRepresentation
bin100000110100101110…
…1000000011100011000
320201221110220101100021
41001221131000130120
52123330101012113
652214305120224
75043526652125
oct1015135003430
9221843811307
1070488688408
1127992032996
12117b2629074
13685476bba8
1435a98a574c
151c7849248d
hex1069740718

70488688408 has 8 divisors (see below), whose sum is σ = 132166290780. Its totient is φ = 35244344200.

The previous prime is 70488688393. The next prime is 70488688427. The reversal of 70488688408 is 80488688407.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×704886884082 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4405543018 + ... + 4405543033.

Almost surely, 270488688408 is an apocalyptic number.

It is an amenable number.

70488688408 is a deficient number, since it is larger than the sum of its proper divisors (61677602372).

70488688408 is a wasteful number, since it uses less digits than its factorization.

70488688408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8811086057 (or 8811086053 counting only the distinct ones).

The product of its (nonzero) digits is 22020096, while the sum is 61.

Subtracting 70488688408 from its reverse (80488688407), we obtain a palindrome (9999999999).

The spelling of 70488688408 in words is "seventy billion, four hundred eighty-eight million, six hundred eighty-eight thousand, four hundred eight".

Divisors: 1 2 4 8 8811086051 17622172102 35244344204 70488688408