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3215214143040 = 263571227320753
BaseRepresentation
bin101110110010011001101…
…100100110011001000000
3102101101000210122111122210
4232302121230212121000
5410134224310034130
610501014325302120
7451202001201204
oct56623154463100
912341023574583
103215214143040
11102a623621809
1243b168864940
131a4268b64983
14b188d822b04
155897d6cc5b0
hex2ec99b26640

3215214143040 has 224 divisors, whose sum is σ = 10357137259776. Its totient is φ = 844901908480.

The previous prime is 3215214142963. The next prime is 3215214143041. The reversal of 3215214143040 is 403414125123.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 3215214142989 and 3215214143007.

It is not an unprimeable number, because it can be changed into a prime (3215214143041) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 154917304 + ... + 154938056.

Almost surely, 23215214143040 is an apocalyptic number.

3215214143040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3215214143040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5178568629888).

3215214143040 is an abundant number, since it is smaller than the sum of its proper divisors (7141923116736).

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

3215214143040 is a wasteful number, since it uses less digits than its factorization.

3215214143040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23117 (or 23107 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 3215214143040 its reverse (403414125123), we get a palindrome (3618628268163).

The spelling of 3215214143040 in words is "three trillion, two hundred fifteen billion, two hundred fourteen million, one hundred forty-three thousand, forty".