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1889445008252 = 226123333234451
BaseRepresentation
bin11011011111101011101…
…100101101001101111100
320200121222200010101001002
4123133223230231031330
5221424040410231002
64003555443505432
7253336131402614
oct33375354551574
96617880111032
101889445008252
116693444a420a
1226622b388278
13109235099ba9
1467641abba44
1534237308002
hex1b7ebb2d37c

1889445008252 has 24 divisors (see below), whose sum is σ = 3375158007312. Its totient is φ = 925247088000.

The previous prime is 1889445008239. The next prime is 1889445008257. The reversal of 1889445008252 is 2528005449881.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1889445008257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16560374 + ... + 16674077.

It is an arithmetic number, because the mean of its divisors is an integer number (140631583638).

Almost surely, 21889445008252 is an apocalyptic number.

It is an amenable number.

1889445008252 is a deficient number, since it is larger than the sum of its proper divisors (1485712999060).

1889445008252 is a wasteful number, since it uses less digits than its factorization.

1889445008252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33234749 (or 33234747 counting only the distinct ones).

The product of its (nonzero) digits is 7372800, while the sum is 56.

The spelling of 1889445008252 in words is "one trillion, eight hundred eighty-nine billion, four hundred forty-five million, eight thousand, two hundred fifty-two".

Divisors: 1 2 4 61 122 233 244 466 932 14213 28426 56852 33234451 66468902 132937804 2027301511 4054603022 7743627083 8109206044 15487254166 30974508332 472361252063 944722504126 1889445008252