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120020113230 = 2357156347471
BaseRepresentation
bin110111111000111000…
…0011001011101001110
3102110210102000110122220
41233301300121131032
53431300122110410
6131045251320210
711446132062363
oct1576160313516
9373712013586
10120020113230
114699a252526
121b3165b0066
13b41940a1a4
145b47ca046a
1531c6b2a070
hex1bf1c1974e

120020113230 has 32 divisors (see below), whose sum is σ = 292105294848. Its totient is φ = 31554583200.

The previous prime is 120020113223. The next prime is 120020113247. The reversal of 120020113230 is 32311020021.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

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, 28171606 + ... + 28175865.

It is an arithmetic number, because the mean of its divisors is an integer number (9128290464).

Almost surely, 2120020113230 is an apocalyptic number.

120020113230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120020113230 is an abundant number, since it is smaller than the sum of its proper divisors (172085181618).

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

120020113230 is a wasteful number, since it uses less digits than its factorization.

120020113230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56347552.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 120020113230 its reverse (32311020021), we get a palindrome (152331133251).

The spelling of 120020113230 in words is "one hundred twenty billion, twenty million, one hundred thirteen thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 71 142 213 355 426 710 1065 2130 56347471 112694942 169042413 281737355 338084826 563474710 845212065 1690424130 4000670441 8001340882 12002011323 20003352205 24004022646 40006704410 60010056615 120020113230