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33100230220 = 22519541161009
BaseRepresentation
bin11110110100111011…
…010110111001001100
310011102210220220201121
4132310323112321030
51020242124331340
623112300450324
72251153212631
oct366473267114
9104383826647
1033100230220
1113046242972
1264b92499a4
133176770b55
1418600a2188
15cdadba94a
hex7b4ed6e4c

33100230220 has 48 divisors (see below), whose sum is σ = 73304632800. Its totient is φ = 12519982080.

The previous prime is 33100230197. The next prime is 33100230257. The reversal of 33100230220 is 2203200133.

It is a junction number, because it is equal to n+sod(n) for n = 33100230194 and 33100230203.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125076 + ... + 286084.

It is an arithmetic number, because the mean of its divisors is an integer number (1527179850).

Almost surely, 233100230220 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33100230220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36652316400).

33100230220 is an abundant number, since it is smaller than the sum of its proper divisors (40204402580).

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

33100230220 is a wasteful number, since it uses less digits than its factorization.

33100230220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161578 (or 161576 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 33100230220 its reverse (2203200133), we get a palindrome (35303430353).

The spelling of 33100230220 in words is "thirty-three billion, one hundred million, two hundred thirty thousand, two hundred twenty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 541 1082 2164 2705 5410 10279 10820 20558 41116 51395 102790 161009 205580 322018 644036 805045 1610090 3059171 3220180 6118342 12236684 15295855 30591710 61183420 87105869 174211738 348423476 435529345 871058690 1655011511 1742117380 3310023022 6620046044 8275057555 16550115110 33100230220