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290122140948 = 223104272318677
BaseRepresentation
bin1000011100011001010…
…00001000110100010100
31000201212002222210111120
410032030220020310110
514223132232002243
6341140312203540
726650332336423
oct4161450106424
91021762883446
10290122140948
11102049426622
12482893995b0
13214875379b3
14100832d52ba
1578303cac83
hex438ca08d14

290122140948 has 24 divisors (see below), whose sum is σ = 677016877152. Its totient is φ = 96698063904.

The previous prime is 290122140941. The next prime is 290122140977. The reversal of 290122140948 is 849041221092.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (290122140941) 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, 1034215 + ... + 1284462.

It is an arithmetic number, because the mean of its divisors is an integer number (28209036548).

Almost surely, 2290122140948 is an apocalyptic number.

It is an amenable number.

290122140948 is an abundant number, since it is smaller than the sum of its proper divisors (386894736204).

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

290122140948 is a wasteful number, since it uses less digits than its factorization.

290122140948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2329111 (or 2329109 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 42.

The spelling of 290122140948 in words is "two hundred ninety billion, one hundred twenty-two million, one hundred forty thousand, nine hundred forty-eight".

Divisors: 1 2 3 4 6 12 10427 20854 31281 41708 62562 125124 2318677 4637354 6956031 9274708 13912062 27824124 24176845079 48353690158 72530535237 96707380316 145061070474 290122140948