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21465050060 = 22529268913763
BaseRepresentation
bin10011111111011010…
…101010101111001100
32001101221021112010002
4103333122222233030
5322430023100220
613505542303432
71356631625606
oct237732525714
961357245102
1021465050060
1191155088a3
1241b0727b78
132041080b6c
141078acc176
158596aec75
hex4ff6aabcc

21465050060 has 48 divisors (see below), whose sum is σ = 46651701600. Its totient is φ = 8286265344.

The previous prime is 21465050059. The next prime is 21465050107. The reversal of 21465050060 is 6005056412.

It is a super-3 number, since 3×214650500603 (a number of 32 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1552739 + ... + 1566501.

It is an arithmetic number, because the mean of its divisors is an integer number (971910450).

Almost surely, 221465050060 is an apocalyptic number.

21465050060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21465050060 is an abundant number, since it is smaller than the sum of its proper divisors (25186651540).

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

21465050060 is a wasteful number, since it uses less digits than its factorization.

21465050060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16490 (or 16488 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The spelling of 21465050060 in words is "twenty-one billion, four hundred sixty-five million, fifty thousand, sixty".

Divisors: 1 2 4 5 10 20 29 58 116 145 290 580 2689 5378 10756 13445 13763 26890 27526 53780 55052 68815 77981 137630 155962 275260 311924 389905 399127 779810 798254 1559620 1596508 1995635 3991270 7982540 37008707 74017414 148034828 185043535 370087070 740174140 1073252503 2146505006 4293010012 5366262515 10732525030 21465050060