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1220105146004 = 2219313158332401
BaseRepresentation
bin10001110000010011111…
…011110000111010010100
311022122022020002100102122
4101300103323300322110
5124442233404133004
62332301503355112
7154102225424033
oct21602373607224
94278266070378
101220105146004
11430497601938
1217856a8b2a98
138b0949b84c4
14430a678071a
1521b0ecc5cbe
hex11c13ef0e94

1220105146004 has 48 divisors (see below), whose sum is σ = 2256236801280. Its totient is φ = 575716377600.

The previous prime is 1220105146003. The next prime is 1220105146019. The reversal of 1220105146004 is 4006415010221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220105146003) 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, 37640204 + ... + 37672604.

It is an arithmetic number, because the mean of its divisors is an integer number (47004933360).

Almost surely, 21220105146004 is an apocalyptic number.

It is an amenable number.

1220105146004 is a deficient number, since it is larger than the sum of its proper divisors (1036131655276).

1220105146004 is a wasteful number, since it uses less digits than its factorization.

1220105146004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34320 (or 34318 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The spelling of 1220105146004 in words is "one trillion, two hundred twenty billion, one hundred five million, one hundred forty-six thousand, four".

Divisors: 1 2 4 19 38 76 313 626 1252 1583 3166 5947 6332 11894 23788 30077 32401 60154 64802 120308 129604 495479 615619 990958 1231238 1981916 2462476 9414101 10141513 18828202 20283026 37656404 40566052 51290783 102581566 192688747 205163132 385377494 770754988 974524877 1949049754 3898099508 16054015079 32108030158 64216060316 305026286501 610052573002 1220105146004