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2225979707988 = 2231193155488943
BaseRepresentation
bin100000011001000110101…
…110101101001001010100
321212210122100112102222110
4200121012232231021110
5242432301301123423
64422333450231020
7316551565220661
oct40310656551124
97783570472873
102225979707988
1178903a572133
122bb4b0125470
13131ba807090a
1479a490a2a68
153cd82148193
hex20646bad254

2225979707988 has 24 divisors (see below), whose sum is σ = 5198306375808. Its totient is φ = 741371275456.

The previous prime is 2225979707981. The next prime is 2225979708077. The reversal of 2225979707988 is 8897079795222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2225979707981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77730156 + ... + 77758787.

It is an arithmetic number, because the mean of its divisors is an integer number (216596098992).

Almost surely, 22225979707988 is an apocalyptic number.

It is an amenable number.

2225979707988 is an abundant number, since it is smaller than the sum of its proper divisors (2972326667820).

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

2225979707988 is a wasteful number, since it uses less digits than its factorization.

2225979707988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155490143 (or 155490141 counting only the distinct ones).

The product of its (nonzero) digits is 640120320, while the sum is 75.

The spelling of 2225979707988 in words is "two trillion, two hundred twenty-five billion, nine hundred seventy-nine million, seven hundred seven thousand, nine hundred eighty-eight".

Divisors: 1 2 3 4 6 12 1193 2386 3579 4772 7158 14316 155488943 310977886 466466829 621955772 932933658 1865867316 185498308999 370996617998 556494926997 741993235996 1112989853994 2225979707988