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28668653150552 = 2319374443503707
BaseRepresentation
bin1101000010010111100001…
…11000110010000101011000
310202111200210201201100202222
412201023300320302011120
512224201400201304202
6140550110351443212
76016145644032062
oct641136070620530
9122450721640688
1028668653150552
119153342349a18
123270215b26508
1312cc599c206ac
147117da95c732
1534ab0ddd34a2
hex1a12f0e32158

28668653150552 has 32 divisors (see below), whose sum is σ = 56583131505600. Its totient is φ = 13579825107744.

The previous prime is 28668653150539. The next prime is 28668653150611. The reversal of 28668653150552 is 25505135686682.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56663483 + ... + 57167189.

It is an arithmetic number, because the mean of its divisors is an integer number (1768222859550).

Almost surely, 228668653150552 is an apocalyptic number.

It is an amenable number.

28668653150552 is a deficient number, since it is larger than the sum of its proper divisors (27914478355048).

28668653150552 is a wasteful number, since it uses less digits than its factorization.

28668653150552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 878175 (or 878171 counting only the distinct ones).

The product of its (nonzero) digits is 103680000, while the sum is 62.

The spelling of 28668653150552 in words is "twenty-eight trillion, six hundred sixty-eight billion, six hundred fifty-three million, one hundred fifty thousand, five hundred fifty-two".

Divisors: 1 2 4 8 19 38 76 152 374443 503707 748886 1007414 1497772 2014828 2995544 4029656 7114417 9570433 14228834 19140866 28457668 38281732 56915336 76563464 188609560201 377219120402 754438240804 1508876481608 3583581643819 7167163287638 14334326575276 28668653150552