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245521553233200 = 243527311872361211
BaseRepresentation
bin110111110100110011110000…
…111101110001010100110000
31012012022122001012002121011220
4313310303300331301110300
5224140111120111430300
62230103013334105040
7102500226653436546
oct6764636075612460
91165278035077156
10245521553233200
117125a1190804a2
122365387b4ab180
13a6cc77718349a
14448b44138dd96
151d5b8a43ddda0
hexdf4cf0f71530

245521553233200 has 240 divisors, whose sum is σ = 797933173758336. Its totient is φ = 64521102182400.

The previous prime is 245521553233141. The next prime is 245521553233321. The reversal of 245521553233200 is 2332355125542.

It is a tau number, because it is divible by the number of its divisors (240).

It is a super-2 number, since 2×2455215532332002 (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 102800595 + ... + 105161805.

Almost surely, 2245521553233200 is an apocalyptic number.

245521553233200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 245521553233200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (398966586879168).

245521553233200 is an abundant number, since it is smaller than the sum of its proper divisors (552411620525136).

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

245521553233200 is a wasteful number, since it uses less digits than its factorization.

245521553233200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2362492 (or 2362481 counting only the distinct ones).

The product of its (nonzero) digits is 1080000, while the sum is 42.

The spelling of 245521553233200 in words is "two hundred forty-five trillion, five hundred twenty-one billion, five hundred fifty-three million, two hundred thirty-three thousand, two hundred".