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3102033221220 = 2235192721081773
BaseRepresentation
bin101101001000111111100…
…101101001011001100100
3101222112220000202221212110
4231020333211221121210
5401310431001034340
610333015425321020
7440054163220203
oct55107745513144
911875800687773
103102033221220
11a96623979a9a
12421240796170
1319669c648c0b
14aa1d3dbd23a
1555a57204680
hex2d23f969664

3102033221220 has 48 divisors (see below), whose sum is σ = 9142834760640. Its totient is φ = 783671550336.

The previous prime is 3102033221129. The next prime is 3102033221227. The reversal of 3102033221220 is 221223302013.

It is a happy number.

It is a super-2 number, since 2×31020332212202 (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3102033221227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1360539747 + ... + 1360542026.

It is an arithmetic number, because the mean of its divisors is an integer number (190475724180).

Almost surely, 23102033221220 is an apocalyptic number.

3102033221220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3102033221220 is an abundant number, since it is smaller than the sum of its proper divisors (6040801539420).

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

3102033221220 is a wasteful number, since it uses less digits than its factorization.

3102033221220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2721081804 (or 2721081802 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 3102033221220 its reverse (221223302013), we get a palindrome (3323256523233).

The spelling of 3102033221220 in words is "three trillion, one hundred two billion, thirty-three million, two hundred twenty-one thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 19 20 30 38 57 60 76 95 114 190 228 285 380 570 1140 2721081773 5442163546 8163245319 10884327092 13605408865 16326490638 27210817730 32652981276 40816226595 51700553687 54421635460 81632453190 103401107374 155101661061 163264906380 206802214748 258502768435 310203322122 517005536870 620406644244 775508305305 1034011073740 1551016610610 3102033221220