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120807146772 = 223213219856533
BaseRepresentation
bin111000010000010101…
…0101100010100010100
3102112211020221220201100
41300200222230110110
53434403112144042
6131255324230100
711504466542664
oct1604052542424
9375736856640
10120807146772
1147263537474
121b4b609b330
13b5134a0200
145bc06121a4
153220c9024c
hex1c20aac514

120807146772 has 54 divisors (see below), whose sum is σ = 330670860702. Its totient is φ = 37171427904.

The previous prime is 120807146753. The next prime is 120807146827. The reversal of 120807146772 is 277641708021.

It can be written as a sum of positive squares in 3 ways, for example, as 511935876 + 120295210896 = 22626^2 + 346836^2 .

It is a super-2 number, since 2×1208071467722 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 9922183 + ... + 9934350.

Almost surely, 2120807146772 is an apocalyptic number.

120807146772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120807146772 is an abundant number, since it is smaller than the sum of its proper divisors (209863713930).

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

120807146772 is a wasteful number, since it uses less digits than its factorization.

120807146772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19856569 (or 19856551 counting only the distinct ones).

The product of its (nonzero) digits is 263424, while the sum is 45.

The spelling of 120807146772 in words is "one hundred twenty billion, eight hundred seven million, one hundred forty-six thousand, seven hundred seventy-two".

Divisors: 1 2 3 4 6 9 12 13 18 26 36 39 52 78 117 156 169 234 338 468 507 676 1014 1521 2028 3042 6084 19856533 39713066 59569599 79426132 119139198 178708797 238278396 258134929 357417594 516269858 714835188 774404787 1032539716 1548809574 2323214361 3097619148 3355754077 4646428722 6711508154 9292857444 10067262231 13423016308 20134524462 30201786693 40269048924 60403573386 120807146772