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245320231543 = 1492306371389
BaseRepresentation
bin1110010001111000111…
…0011010101001110111
3212110012210021222122121
43210132032122221313
513004403434402133
6304410515540411
723503156363642
oct3443616325167
9773183258577
10245320231543
1195048969a12
123b6652ba707
131a197692a2a
14bc330aca59
1565ac06b02d
hex391e39aa77

245320231543 has 8 divisors (see below), whose sum is σ = 246980844000. Its totient is φ = 243659808288.

The previous prime is 245320231517. The next prime is 245320231547. The reversal of 245320231543 is 345132023542.

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 245320231543 - 217 = 245320100471 is a prime.

It is a super-2 number, since 2×2453202315432 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 245320231499 and 245320231508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245320231547) 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, 3400693 + ... + 3472081.

It is an arithmetic number, because the mean of its divisors is an integer number (30872605500).

Almost surely, 2245320231543 is an apocalyptic number.

245320231543 is a deficient number, since it is larger than the sum of its proper divisors (1660612457).

245320231543 is a wasteful number, since it uses less digits than its factorization.

245320231543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94601.

The product of its (nonzero) digits is 86400, while the sum is 34.

The spelling of 245320231543 in words is "two hundred forty-five billion, three hundred twenty million, two hundred thirty-one thousand, five hundred forty-three".

Divisors: 1 149 23063 71389 3436387 10636961 1646444507 245320231543