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245898071742 = 23122935939281
BaseRepresentation
bin1110010100000010101…
…0101100111010111110
3212111201001121022101110
43211000222230322332
513012044401243432
6304544121022450
723523404060151
oct3450052547276
9774631538343
10245898071742
11953150618a4
123b7a6924a26
131a25a3000cb
14bc89b27c98
1565e2b5cdcc
hex3940aacebe

245898071742 has 32 divisors (see below), whose sum is σ = 492386338080. Its totient is φ = 81867714560.

The previous prime is 245898071719. The next prime is 245898071743. The reversal of 245898071742 is 247170898542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245898071743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26490142 + ... + 26499422.

It is an arithmetic number, because the mean of its divisors is an integer number (15387073065).

Almost surely, 2245898071742 is an apocalyptic number.

245898071742 is an abundant number, since it is smaller than the sum of its proper divisors (246488266338).

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

245898071742 is a wasteful number, since it uses less digits than its factorization.

245898071742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14108.

The product of its (nonzero) digits is 9031680, while the sum is 57.

The spelling of 245898071742 in words is "two hundred forty-five billion, eight hundred ninety-eight million, seventy-one thousand, seven hundred forty-two".

Divisors: 1 2 3 6 1229 2458 3593 3687 7186 7374 9281 10779 18562 21558 27843 55686 4415797 8831594 11406349 13247391 22812698 26494782 33346633 34219047 66693266 68438094 100039899 200079798 40983011957 81966023914 122949035871 245898071742