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29534101780 = 2254799307711
BaseRepresentation
bin11011100000010111…
…101010000100010100
32211020021121211011111
4123200113222010110
5440441212224110
621322350144404
72063611503001
oct334027520424
984207554144
1029534101780
1111586259887
125882ab2104
132a289bcc91
14160260c8a8
15b7cc99e8a
hex6e05ea114

29534101780 has 24 divisors (see below), whose sum is σ = 62034739200. Its totient is φ = 11811140640.

The previous prime is 29534101777. The next prime is 29534101781. The reversal of 29534101780 is 8710143592.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29534101781) 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, 57876 + ... + 249835.

It is an arithmetic number, because the mean of its divisors is an integer number (2584780800).

Almost surely, 229534101780 is an apocalyptic number.

29534101780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29534101780 is an abundant number, since it is smaller than the sum of its proper divisors (32500637420).

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

29534101780 is a wasteful number, since it uses less digits than its factorization.

29534101780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312519 (or 312517 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 40.

The spelling of 29534101780 in words is "twenty-nine billion, five hundred thirty-four million, one hundred one thousand, seven hundred eighty".

Divisors: 1 2 4 5 10 20 4799 9598 19196 23995 47990 95980 307711 615422 1230844 1538555 3077110 6154220 1476705089 2953410178 5906820356 7383525445 14767050890 29534101780