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120122452920 = 23352830735363
BaseRepresentation
bin110111111011111011…
…0110010101110111000
3102111001112120212022210
41233313312302232320
53432002321443140
6131103345015120
711451514001001
oct1576766625670
9374045525283
10120122452920
1146a41aa1888
121b3449244a0
13b43468c912
145b577001a8
1531d0ae2d80
hex1bf7db2bb8

120122452920 has 64 divisors (see below), whose sum is σ = 360390280320. Its totient is φ = 32030616704.

The previous prime is 120122452913. The next prime is 120122452943. The reversal of 120122452920 is 29254221021.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 3379159 + ... + 3414521.

It is an arithmetic number, because the mean of its divisors is an integer number (5631098130).

Almost surely, 2120122452920 is an apocalyptic number.

120122452920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120122452920 is an abundant number, since it is smaller than the sum of its proper divisors (240267827400).

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

120122452920 is a wasteful number, since it uses less digits than its factorization.

120122452920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63684 (or 63680 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

Adding to 120122452920 its reverse (29254221021), we get a palindrome (149376673941).

The spelling of 120122452920 in words is "one hundred twenty billion, one hundred twenty-two million, four hundred fifty-two thousand, nine hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 28307 35363 56614 70726 84921 106089 113228 141452 141535 169842 176815 212178 226456 282904 283070 339684 353630 424356 424605 530445 566140 679368 707260 848712 849210 1060890 1132280 1414520 1698420 2121780 3396840 4243560 1001020441 2002040882 3003061323 4004081764 5005102205 6006122646 8008163528 10010204410 12012245292 15015306615 20020408820 24024490584 30030613230 40040817640 60061226460 120122452920