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12245015236220 = 2251347096212447
BaseRepresentation
bin1011001000110000001111…
…0010001000111001111100
31121100121112011110201111222
42302030003302020321330
53101110242400024340
642013140552532512
72402446615113164
oct262140362107174
947317464421458
1012245015236220
1139a1099968268
1214591ba9b1138
136aa913b25bc0
1430493a3775a4
151637c32e28b5
hexb2303c88e7c

12245015236220 has 24 divisors (see below), whose sum is σ = 27692572919424. Its totient is φ = 4521236394816.

The previous prime is 12245015236189. The next prime is 12245015236291. The reversal of 12245015236220 is 2263251054221.

It is a happy number.

It is a congruent number.

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, 23548105964 + ... + 23548106483.

It is an arithmetic number, because the mean of its divisors is an integer number (1153857204976).

Almost surely, 212245015236220 is an apocalyptic number.

12245015236220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12245015236220 is an abundant number, since it is smaller than the sum of its proper divisors (15447557683204).

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

12245015236220 is a wasteful number, since it uses less digits than its factorization.

12245015236220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47096212469 (or 47096212467 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

The spelling of 12245015236220 in words is "twelve trillion, two hundred forty-five billion, fifteen million, two hundred thirty-six thousand, two hundred twenty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 47096212447 94192424894 188384849788 235481062235 470962124470 612250761811 941924248940 1224501523622 2449003047244 3061253809055 6122507618110 12245015236220