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40980651830 = 2516889242647
BaseRepresentation
bin100110001010101000…
…110001111100110110
310220210000022210220122
4212022220301330312
51132412021324310
630454245331542
72650352536016
oct461250617466
9126700283818
1040980651830
111641a5672a8
127b38406bb2
133b312a6c11
141daa91dc46
1510ecb45555
hex98aa31f36

40980651830 has 16 divisors (see below), whose sum is σ = 73769844960. Its totient is φ = 16391222592.

The previous prime is 40980651763. The next prime is 40980651839. The reversal of 40980651830 is 3815608904.

40980651830 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40980651839) 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, 47567 + ... + 290213.

It is an arithmetic number, because the mean of its divisors is an integer number (4610615310).

Almost surely, 240980651830 is an apocalyptic number.

40980651830 is a deficient number, since it is larger than the sum of its proper divisors (32789193130).

40980651830 is a wasteful number, since it uses less digits than its factorization.

40980651830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259543.

The product of its (nonzero) digits is 207360, while the sum is 44.

The spelling of 40980651830 in words is "forty billion, nine hundred eighty million, six hundred fifty-one thousand, eight hundred thirty".

Divisors: 1 2 5 10 16889 33778 84445 168890 242647 485294 1213235 2426470 4098065183 8196130366 20490325915 40980651830