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245671040797 = 7138930333503
BaseRepresentation
bin1110010011001100100…
…0101001011100011101
3212111010020101221110221
43210303020221130131
513011113241301142
6304505411001341
723514646251310
oct3446310513435
9774106357427
10245671040797
1195208997116
123b742899251
131a222270380
14bc6790a977
1565ccc64767
hex393322971d

245671040797 has 16 divisors (see below), whose sum is σ = 305761720320. Its totient is φ = 192193068672.

The previous prime is 245671040789. The next prime is 245671040803. The reversal of 245671040797 is 797040176542.

It is a happy number.

245671040797 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 245671040797 - 23 = 245671040789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245671040707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15158653 + ... + 15174850.

It is an arithmetic number, because the mean of its divisors is an integer number (19110107520).

Almost surely, 2245671040797 is an apocalyptic number.

It is an amenable number.

245671040797 is a deficient number, since it is larger than the sum of its proper divisors (60090679523).

245671040797 is a wasteful number, since it uses less digits than its factorization.

245671040797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30333612.

The product of its (nonzero) digits is 2963520, while the sum is 52.

The spelling of 245671040797 in words is "two hundred forty-five billion, six hundred seventy-one million, forty thousand, seven hundred ninety-seven".

Divisors: 1 7 13 89 91 623 1157 8099 30333503 212334521 394335539 2699681767 2760348773 18897772369 35095862971 245671040797