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228077740800 = 28325271353821
BaseRepresentation
bin1101010001101001111…
…1100010001100000000
3210210201010111200222100
43110122133202030000
512214100400201200
6252435533310400
722322656544430
oct3243237421400
9723633450870
10228077740800
11887aaa36468
1238252935400
131867a388ba0
14b07910a2c0
155ded444d00
hex351a7e2300

228077740800 has 1296 divisors, whose sum is σ = 1023786848448. Its totient is φ = 47156428800.

The previous prime is 228077740769. The next prime is 228077740819. The reversal of 228077740800 is 8047770822.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 277804390 + ... + 277805210.

It is an arithmetic number, because the mean of its divisors is an integer number (789958988).

Almost surely, 2228077740800 is an apocalyptic number.

228077740800 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 228077740800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (511893424224).

228077740800 is an abundant number, since it is smaller than the sum of its proper divisors (795709107648).

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

228077740800 is a wasteful number, since it uses less digits than its factorization.

228077740800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 926 (or 904 counting only the distinct ones).

The product of its (nonzero) digits is 351232, while the sum is 45.

The spelling of 228077740800 in words is "two hundred twenty-eight billion, seventy-seven million, seven hundred forty thousand, eight hundred".