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29976406058420 = 225235315152115629
BaseRepresentation
bin1101101000011011011010…
…00010001110010110110100
310221010201100021112100012222
412310031231002032112310
512412113134422332140
6143430545411101512
76212503200242423
oct664155502162664
9127121307470188
1029976406058420
119607a16811588
1234417658a1898
1313959bc2c5c83
14758c19a512ba
1536eb4d7965b5
hex1b436d08e5b4

29976406058420 has 192 divisors, whose sum is σ = 67503666263040. Its totient is φ = 11156141568000.

The previous prime is 29976406058419. The next prime is 29976406058587. The reversal of 29976406058420 is 2485060467992.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1917991166 + ... + 1918006794.

It is an arithmetic number, because the mean of its divisors is an integer number (351581595120).

Almost surely, 229976406058420 is an apocalyptic number.

29976406058420 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 29976406058420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33751833131520).

29976406058420 is an abundant number, since it is smaller than the sum of its proper divisors (37527260204620).

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

29976406058420 is a wasteful number, since it uses less digits than its factorization.

29976406058420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16386 (or 16384 counting only the distinct ones).

The product of its (nonzero) digits is 52254720, while the sum is 62.

The spelling of 29976406058420 in words is "twenty-nine trillion, nine hundred seventy-six billion, four hundred six million, fifty-eight thousand, four hundred twenty".