Search a number
-
+
30625362533220 = 223571310155535057
BaseRepresentation
bin1101111011010100001011…
…10110101101101101100100
311000102202102011121222212120
412331222011312231231210
513003231220302030340
6145045033004345540
76310416014252610
oct675520566555544
9130382364558776
1030625362533220
119838163826204
123527497b452b0
131411c61756a60
1477c3bdbc8340
1538198157b4d0
hex1bda85dadb64

30625362533220 has 192 divisors, whose sum is σ = 106584660435456. Its totient is φ = 6397638451200.

The previous prime is 30625362533209. The next prime is 30625362533231. The reversal of 30625362533220 is 2233526352603.

It is an interprime number because it is at equal distance from previous prime (30625362533209) and next prime (30625362533231).

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 27216069 + ... + 28318988.

It is an arithmetic number, because the mean of its divisors is an integer number (555128439768).

Almost surely, 230625362533220 is an apocalyptic number.

30625362533220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30625362533220 is an abundant number, since it is smaller than the sum of its proper divisors (75959297902236).

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

30625362533220 is a wasteful number, since it uses less digits than its factorization.

30625362533220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55535190 (or 55535188 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 42.

Adding to 30625362533220 its reverse (2233526352603), we get a palindrome (32858888885823).

The spelling of 30625362533220 in words is "thirty trillion, six hundred twenty-five billion, three hundred sixty-two million, five hundred thirty-three thousand, two hundred twenty".