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245243401453 = 6592593143519
BaseRepresentation
bin1110010001100110100…
…1010101010011101101
3212110000102201121120201
43210121221111103231
513004224302321303
6304355133113501
723501234342341
oct3443151252355
9773012647521
10245243401453
1195009563376
123b643628891
131a1847a243b
14bc26bcd621
1565a544181d
hex3919a554ed

245243401453 has 8 divisors (see below), whose sum is σ = 245711980800. Its totient is φ = 244775115648.

The previous prime is 245243401427. The next prime is 245243401519. The reversal of 245243401453 is 354104342542.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 245243401453 - 237 = 107804447981 is a prime.

It is a super-2 number, since 2×2452434014532 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245243401153) 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, 1637028 + ... + 1780546.

It is an arithmetic number, because the mean of its divisors is an integer number (30713997600).

Almost surely, 2245243401453 is an apocalyptic number.

It is an amenable number.

245243401453 is a deficient number, since it is larger than the sum of its proper divisors (468579347).

245243401453 is a wasteful number, since it uses less digits than its factorization.

245243401453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146771.

The product of its (nonzero) digits is 230400, while the sum is 37.

Adding to 245243401453 its reverse (354104342542), we get a palindrome (599347743995).

The spelling of 245243401453 in words is "two hundred forty-five billion, two hundred forty-three million, four hundred one thousand, four hundred fifty-three".

Divisors: 1 659 2593 143519 1708787 94579021 372144767 245243401453