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245514453140 = 225111115974787
BaseRepresentation
bin1110010010100111001…
…1010100000010010100
3212110201022202110121002
43210221303110002110
513010303200000030
6304442054442432
723511035263445
oct3445163240224
9773638673532
10245514453140
1195138565530
123b6ba363418
131a1c89a5b58
14bc50bc92cc
1565be133245
hex3929cd4094

245514453140 has 24 divisors (see below), whose sum is σ = 562451293152. Its totient is φ = 89277982880.

The previous prime is 245514453133. The next prime is 245514453167. The reversal of 245514453140 is 41354415542.

It is a junction number, because it is equal to n+sod(n) for n = 245514453094 and 245514453103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 557987174 + ... + 557987613.

It is an arithmetic number, because the mean of its divisors is an integer number (23435470548).

Almost surely, 2245514453140 is an apocalyptic number.

245514453140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245514453140 is an abundant number, since it is smaller than the sum of its proper divisors (316936840012).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

245514453140 is a wasteful number, since it uses less digits than its factorization.

245514453140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1115974807 (or 1115974805 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 38.

Adding to 245514453140 its reverse (41354415542), we get a palindrome (286868868682).

The spelling of 245514453140 in words is "two hundred forty-five billion, five hundred fourteen million, four hundred fifty-three thousand, one hundred forty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 1115974787 2231949574 4463899148 5579873935 11159747870 12275722657 22319495740 24551445314 49102890628 61378613285 122757226570 245514453140