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32121213030 = 2325675326901
BaseRepresentation
bin11101111010100100…
…101101000001100110
310001220120201200121200
4131322210231001212
51011241012304110
622431205023330
72214664543254
oct357244550146
9101816650550
1032121213030
1112693650855
1262853b4b46
13304b99c53a
1417aa0575d4
15c7ee816c0
hex77a92d066

32121213030 has 48 divisors (see below), whose sum is σ = 84761664624. Its totient is φ = 8437809600.

The previous prime is 32121213013. The next prime is 32121213037. The reversal of 32121213030 is 3031212123.

32121213030 is a `hidden beast` number, since 321 + 21 + 21 + 303 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 32121212994 and 32121213012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32121213037) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2657421 + ... + 2669480.

It is an arithmetic number, because the mean of its divisors is an integer number (1765868013).

Almost surely, 232121213030 is an apocalyptic number.

32121213030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

32121213030 is an abundant number, since it is smaller than the sum of its proper divisors (52640451594).

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

32121213030 is a wasteful number, since it uses less digits than its factorization.

32121213030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5326981 (or 5326978 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 32121213030 its reverse (3031212123), we get a palindrome (35152425153).

The spelling of 32121213030 in words is "thirty-two billion, one hundred twenty-one million, two hundred thirteen thousand, thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 67 90 134 201 335 402 603 670 1005 1206 2010 3015 6030 5326901 10653802 15980703 26634505 31961406 47942109 53269010 79903515 95884218 159807030 239710545 356902367 479421090 713804734 1070707101 1784511835 2141414202 3212121303 3569023670 5353535505 6424242606 10707071010 16060606515 32121213030