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1123232201020 = 22588163747571
BaseRepresentation
bin10000010110000101110…
…110110011100100111100
310222101020222112212020101
4100112011312303210330
5121400334420413040
62220001124130444
7144102512115016
oct20260566634474
93871228485211
101123232201020
113a33a6327526
12161834236a24
1381bc6cb7497
143c516b5b1b6
151e34037b09a
hex10585db393c

1123232201020 has 24 divisors (see below), whose sum is σ = 2361465057168. Its totient is φ = 448782892800.

The previous prime is 1123232201009. The next prime is 1123232201023. The reversal of 1123232201020 is 201022323211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123232201023) 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, 31856166 + ... + 31891405.

It is an arithmetic number, because the mean of its divisors is an integer number (98394377382).

Almost surely, 21123232201020 is an apocalyptic number.

1123232201020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1123232201020 is an abundant number, since it is smaller than the sum of its proper divisors (1238232856148).

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

1123232201020 is a wasteful number, since it uses less digits than its factorization.

1123232201020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63748461 (or 63748459 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 1123232201020 its reverse (201022323211), we get a palindrome (1324254524231).

The spelling of 1123232201020 in words is "one trillion, one hundred twenty-three billion, two hundred thirty-two million, two hundred one thousand, twenty".

Divisors: 1 2 4 5 10 20 881 1762 3524 4405 8810 17620 63747571 127495142 254990284 318737855 637475710 1274951420 56161610051 112323220102 224646440204 280808050255 561616100510 1123232201020