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245120313402 = 23340111319863
BaseRepresentation
bin1110010001001001001…
…1110010100000111010
3212102200212010002112000
43210102103302200322
513004001300012102
6304335015001430
723465211200136
oct3442223624072
9772625102460
10245120313402
1194a56032508
123b60a369276
131a165136a83
14bc1470c3c6
15659972b01c
hex39124f283a

245120313402 has 32 divisors (see below), whose sum is σ = 546070239360. Its totient is φ = 81503006400.

The previous prime is 245120313391. The next prime is 245120313407. The reversal of 245120313402 is 204313021542.

245120313402 is a `hidden beast` number, since 2 + 4 + 51 + 203 + 1 + 3 + 402 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (245120313407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5638278 + ... + 5681585.

It is an arithmetic number, because the mean of its divisors is an integer number (17064694980).

Almost surely, 2245120313402 is an apocalyptic number.

245120313402 is an abundant number, since it is smaller than the sum of its proper divisors (300949925958).

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

245120313402 is a wasteful number, since it uses less digits than its factorization.

245120313402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11320275 (or 11320269 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 245120313402 its reverse (204313021542), we get a palindrome (449433334944).

The spelling of 245120313402 in words is "two hundred forty-five billion, one hundred twenty million, three hundred thirteen thousand, four hundred two".

Divisors: 1 2 3 6 9 18 27 54 401 802 1203 2406 3609 7218 10827 21654 11319863 22639726 33959589 67919178 101878767 203757534 305636301 611272602 4539265063 9078530126 13617795189 27235590378 40853385567 81706771134 122560156701 245120313402