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1387227048770 = 25691200756447
BaseRepresentation
bin10100001011111101001…
…011001110101101000010
311220121200020102122101002
4110023331023032231002
5140212020111030040
62541141110012002
7202136531234123
oct24137513165502
94817606378332
101387227048770
1149535755aa52
121a4a2b647002
13a0a795a0074
144b1dc0a404a
1526141b0ba15
hex142fd2ceb42

1387227048770 has 16 divisors (see below), whose sum is σ = 2500622316288. Its totient is φ = 554087790960.

The previous prime is 1387227048749. The next prime is 1387227048787. The reversal of 1387227048770 is 778407227831.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100371314 + ... + 100385133.

It is an arithmetic number, because the mean of its divisors is an integer number (156288894768).

Almost surely, 21387227048770 is an apocalyptic number.

1387227048770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1387227048770 is a deficient number, since it is larger than the sum of its proper divisors (1113395267518).

1387227048770 is a wasteful number, since it uses less digits than its factorization.

1387227048770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200757145.

The product of its (nonzero) digits is 7375872, while the sum is 56.

The spelling of 1387227048770 in words is "one trillion, three hundred eighty-seven billion, two hundred twenty-seven million, forty-eight thousand, seven hundred seventy".

Divisors: 1 2 5 10 691 1382 3455 6910 200756447 401512894 1003782235 2007564470 138722704877 277445409754 693613524385 1387227048770