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120040143140 = 2258397153763
BaseRepresentation
bin110111111001011110…
…0110011100100100100
3102110211210201002112102
41233302330303210210
53431320234040030
6131051244511232
711446464244541
oct1576274634444
9373753632472
10120040143140
11469aa593275
121b32124b518
13b4206010c8
145b4a7d5bc8
1531c8784c45
hex1bf2f33924

120040143140 has 24 divisors (see below), whose sum is σ = 252384793920. Its totient is φ = 47958820448.

The previous prime is 120040143121. The next prime is 120040143151. The reversal of 120040143140 is 41341040021.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3560102 + ... + 3593661.

It is an arithmetic number, because the mean of its divisors is an integer number (10516033080).

Almost surely, 2120040143140 is an apocalyptic number.

120040143140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120040143140 is an abundant number, since it is smaller than the sum of its proper divisors (132344650780).

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

120040143140 is a wasteful number, since it uses less digits than its factorization.

120040143140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7154611 (or 7154609 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 120040143140 its reverse (41341040021), we get a palindrome (161381183161).

The spelling of 120040143140 in words is "one hundred twenty billion, forty million, one hundred forty-three thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 839 1678 3356 4195 8390 16780 7153763 14307526 28615052 35768815 71537630 143075260 6002007157 12004014314 24008028628 30010035785 60020071570 120040143140