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245030440551 = 31315740018037
BaseRepresentation
bin1110010000110011110…
…0111100111001100111
3212102110121000002010220
43210030330330321213
513003310243044201
6304322044415423
723463040244151
oct3441474747147
9772417002126
10245030440551
1194a0a328726
123b5a4247573
131a14c62a980
14bc067d5ad1
1565918c7036
hex390cf3ce67

245030440551 has 16 divisors (see below), whose sum is σ = 354079600224. Its totient is φ = 149827526784.

The previous prime is 245030440547. The next prime is 245030440553. The reversal of 245030440551 is 155044030542.

It is not a de Polignac number, because 245030440551 - 22 = 245030440547 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245030440553) 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, 20002896 + ... + 20015141.

It is an arithmetic number, because the mean of its divisors is an integer number (22129975014).

Almost surely, 2245030440551 is an apocalyptic number.

245030440551 is a deficient number, since it is larger than the sum of its proper divisors (109049159673).

245030440551 is a wasteful number, since it uses less digits than its factorization.

245030440551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40018210.

The product of its (nonzero) digits is 48000, while the sum is 33.

The spelling of 245030440551 in words is "two hundred forty-five billion, thirty million, four hundred forty thousand, five hundred fifty-one".

Divisors: 1 3 13 39 157 471 2041 6123 40018037 120054111 520234481 1560703443 6282831809 18848495427 81676813517 245030440551