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120142403020 = 22523292789231
BaseRepresentation
bin110111111100100001…
…0111001010111001100
3102111002221010102201101
41233321002321113030
53432022423344040
6131105340352444
711452145401363
oct1577102712714
9374087112641
10120142403020
1146a52288672
121b34b545724
13b438856403
145b5a2147da
1531d273409a
hex1bf90b95cc

120142403020 has 48 divisors (see below), whose sum is σ = 263361466368. Its totient is φ = 45951308480.

The previous prime is 120142402999. The next prime is 120142403041. The reversal of 120142403020 is 20304241021.

It is an interprime number because it is at equal distance from previous prime (120142402999) and next prime (120142403041).

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, 1301805 + ... + 1391035.

It is an arithmetic number, because the mean of its divisors is an integer number (5486697216).

Almost surely, 2120142403020 is an apocalyptic number.

120142403020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120142403020 is an abundant number, since it is smaller than the sum of its proper divisors (143219063348).

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

120142403020 is a wasteful number, since it uses less digits than its factorization.

120142403020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92190 (or 92188 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 120142403020 its reverse (20304241021), we get a palindrome (140446644041).

The spelling of 120142403020 in words is "one hundred twenty billion, one hundred forty-two million, four hundred three thousand, twenty".

Divisors: 1 2 4 5 10 20 23 46 92 115 230 460 2927 5854 11708 14635 29270 58540 67321 89231 134642 178462 269284 336605 356924 446155 673210 892310 1346420 1784620 2052313 4104626 8209252 10261565 20523130 41046260 261179137 522358274 1044716548 1305895685 2611791370 5223582740 6007120151 12014240302 24028480604 30035600755 60071201510 120142403020