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128070607148 = 221131443211949
BaseRepresentation
bin111011101000110011…
…0100110000100101100
3110020120110102221012022
41313101212212010230
54044242033412043
6134500153325312
712152465125211
oct1672146460454
9406513387168
10128070607148
114a350578790
12209a2706838
13c10024c463
1462ad14db08
1534e879b868
hex1dd19a612c

128070607148 has 48 divisors (see below), whose sum is σ = 252956390400. Its totient is φ = 56208609600.

The previous prime is 128070607087. The next prime is 128070607207. The reversal of 128070607148 is 841706070821.

128070607148 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 128070607099 and 128070607108.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 498278 + ... + 710226.

It is an arithmetic number, because the mean of its divisors is an integer number (5269924800).

Almost surely, 2128070607148 is an apocalyptic number.

It is an amenable number.

128070607148 is a deficient number, since it is larger than the sum of its proper divisors (124885783252).

128070607148 is a wasteful number, since it uses less digits than its factorization.

128070607148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212438 (or 212436 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 44.

Adding to 128070607148 its reverse (841706070821), we get a palindrome (969776677969).

The spelling of 128070607148 in words is "one hundred twenty-eight billion, seventy million, six hundred seven thousand, one hundred forty-eight".

Divisors: 1 2 4 11 22 31 44 62 124 341 443 682 886 1364 1772 4873 9746 13733 19492 27466 54932 151063 211949 302126 423898 604252 847796 2331439 4662878 6570419 9325756 13140838 26281676 72274609 93893407 144549218 187786814 289098436 375573628 1032827477 2065654954 2910695617 4131309908 5821391234 11642782468 32017651787 64035303574 128070607148