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245554203002053 = 1122323109363823
BaseRepresentation
bin110111110101010010001011…
…000010110000010011000101
31012012102202022121101201002011
4313311102023002300103011
5224141130001432031203
62230130013224014221
7102502464030052201
oct6765221302602305
91165382277351064
10245554203002053
1171271a53012040
122365a071901371
13a70287b4c563a
14448cc5b6b3b01
151d5c66597976d
hexdf548b0b04c5

245554203002053 has 4 divisors (see below), whose sum is σ = 267877312365888. Its totient is φ = 223231093638220.

The previous prime is 245554203002033. The next prime is 245554203002071. The reversal of 245554203002053 is 350200302455542.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 245554203002053 - 225 = 245554169447621 is a prime.

It is a super-2 number, since 2×2455542030020532 (a number of 30 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 = 245554203001997 and 245554203002015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245554203002033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11161554681901 + ... + 11161554681922.

It is an arithmetic number, because the mean of its divisors is an integer number (66969328091472).

Almost surely, 2245554203002053 is an apocalyptic number.

It is an amenable number.

245554203002053 is a deficient number, since it is larger than the sum of its proper divisors (22323109363835).

245554203002053 is a wasteful number, since it uses less digits than its factorization.

245554203002053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22323109363834.

The product of its (nonzero) digits is 720000, while the sum is 40.

Adding to 245554203002053 its reverse (350200302455542), we get a palindrome (595754505457595).

The spelling of 245554203002053 in words is "two hundred forty-five trillion, five hundred fifty-four billion, two hundred three million, two thousand, fifty-three".

Divisors: 1 11 22323109363823 245554203002053